EN： The modal verb 'can' is used here to express possibility, indicating that something is capable of happening in certain circumstances.
中文： 助動詞「can」在此處用於表示「可能性」，指出某事在特定情況下是有可能發生的。
Accidents can occur if you are not careful.
如果你不小心，事故可能會發生。
EN： The phrase 'at any time' and 'in any place' use the determiner 'any' to emphasize that there are no exceptions or specific limits to when or where something happens.
中文： 短語「at any time」和「in any place」使用了限定詞「any」，用以強調某事發生的時間或地點沒有例外或特定限制。
You can call me at any time.
你可以在任何時間打電話給我。
EN： Adverbial Clause of Time: The sentence starts with a subordinate clause introduced by 'When', which sets the condition or timing for the main action.
中文： 時間副詞子句：句子以 'When' 引導的從屬子句開頭，用來設定主要動作發生的條件或時間點。
When the bell rings, the students leave the classroom.
當鈴聲響起時，學生們離開了教室。
EN： Passive Voice: 'is injured' uses the structure 'be + past participle' to show that the subject receives the action rather than performing it.
中文： 被動語態：'is injured' 使用了「be 動詞 + 過去分詞」的結構，表示主詞是動作的接受者（受傷）而非執行者。
The window was broken during the storm.
窗戶在暴風雨中被弄壞了。
EN： In many English-speaking countries, the 'Golden Hour' or the first few minutes of an emergency are emphasized in public health education to encourage bystanders to act quickly before professional help arrives.
中文： 在許多英語系國家，公共衛生教育非常強調「黃金時間」或急救最初的幾分鐘，旨在鼓勵旁觀者在專業救援到達前迅速採取行動。
EN： Gerund as Subject: A gerund is the '-ing' form of a verb that functions as a noun. In this sentence, 'Knowing basic first aid' acts as the subject of the sentence.
中文： 動名詞當主詞：動名詞是動詞加 -ing 的形式，其功能相當於名詞。在本句中，「Knowing basic first aid」（瞭解基礎急救）作為整個句子的主詞。
Learning a new language opens up many opportunities.
學習一門新語言會開啟許多機會。
EN： Help + Object + (to) Verb: The verb 'help' can be followed by an object and then either a bare infinitive (verb without 'to') or a full infinitive (with 'to'). Both 'help you save' and 'help you to save' are correct.
中文： Help 的用法：動詞 help 後面接對象（受詞）後，可以接原形動詞或不定詞（to + 動詞）。「help you save」與「help you to save」皆為正確用法。
She helped me finish my homework.
她幫助我完成了作業。
EN： In many English-speaking countries, first aid training is highly encouraged and often required for certain jobs (like teaching or coaching). There are also 'Good Samaritan' laws that protect people who provide reasonable assistance to those who are injured or ill.
中文： 在許多英語系國家，非常鼓勵民眾接受急救訓練，某些職業（如教師或教練）通常會強制要求。此外，還有「好撒馬利亞人法」（Good Samaritan laws），旨在保護那些對傷病者提供合理援助的施救者，免於因疏忽而承擔法律責任。
EN： Gerund as Subject: A gerund (verb + -ing) functions as a noun and can be the subject of a sentence. It represents an action or a state.
中文： 動名詞當主詞：動名詞（動詞 + -ing）具有名詞功能，可作為句子的主詞，用來表示一項動作或狀態。
Learning first aid is very useful.
學習急救是非常有用的。
EN： Adjective Clause (Relative Clause): The phrase '(that) you can do' is an adjective clause modifying 'the most important thing'. In this case, the relative pronoun 'that' is omitted because it is the object of the verb 'do'.
中文： 形容詞子句（關係子句）：短語「(that) you can do」是一個形容詞子句，用來修飾「the most important thing」。在這種情況下，關係代名詞「that」因為在子句中擔任動詞「do」的受詞，所以被省略了。
This is the best movie I have ever seen.
這是我看過最好看的電影。
EN： In many English-speaking cultures, 'Keep Calm and Carry On' is a famous slogan that reflects the cultural value placed on emotional control during crises.
中文： 在許多英語系國家的文化中，「保持冷靜，繼續前行」(Keep Calm and Carry On) 是一個著名的標語，反映了在危機中保持情緒控制的文化價值觀。
EN： The sentence uses a Relative Clause (Adjective Clause) starting with 'that'. This clause 'that everyone should know' modifies the noun phrase 'essential first aid skills' to provide more specific information.
中文： 本句使用了由 'that' 引導的關係子句（形容詞子句）。這個子句 'that everyone should know' 用來修飾名詞短語 'essential first aid skills'（基本急救技能），以提供更具體的資訊。
He bought a book that everyone is talking about.
他買了一本每個人都在討論的書。
EN： The Future Tense with 'will' is used here to express a promise or a statement about what the reader is going to encounter in the upcoming text.
中文： 這裡使用 'will' 引導的未來式，用來表達承諾或陳述讀者在接下來的文本中將會遇到的內容。
In the next chapter, you will see how the story ends.
在下一章中，你將會看到故事是如何結束的。
EN： In many English-speaking countries, basic first aid knowledge is highly encouraged and often taught in schools or workplaces. Being a 'Good Samaritan' (helping others in distress) is a valued social trait.
中文： 在許多英語系國家，政府高度鼓勵民眾具備基本急救知識，且學校或職場通常會提供相關培訓。成為「好撒馬利亞人」（Good Samaritan，指樂於助人的人）是被高度認可的社會特質。
EN： The use of 'if' as a conjunction to introduce a noun clause (indirect question). In this context, it means 'whether' and follows the verb 'check' to express uncertainty or a condition to be verified.
中文： 使用 'if' 作為連詞來引導名詞子句（間接問句）。在此語境中，它的意思是「是否」，接在動詞 'check' 之後，用來表達不確定性或需要核實的情況。
Please check if the door is locked.
請檢查門是否鎖好了。
EN： The use of an infinitive phrase ('to check...') as a subject complement. This structure (Subject + be verb + to-infinitive) is used to define or explain the subject.
中文： 使用不定詞短語（'to check...'）作為主詞補語。這種結構（主詞 + be 動詞 + 不定詞）用於定義或解釋主詞的內容。
My goal is to finish the project by Friday.
我的目標是在週五前完成這項專案。
EN： In first aid training worldwide (such as Red Cross or AHA), 'Scene Safety' is always emphasized as the absolute first priority. This is to prevent the rescuer from becoming a second victim.
中文： 在全球的急救訓練（如紅十字會或美國心臟協會）中，「現場安全」始終被強調為絕對的首要任務。這是為了防止施救者成為第二個受害者。
EN： The modal verb 'should' combined with the frequency adverb 'never' expresses a strong recommendation or moral obligation against an action. 'Never' is placed between the modal verb and the main verb.
中文： 助動詞 'should' 與頻率副詞 'never' 連用，表示強烈的建議或道德上的義務。'never' 通常置於助動詞與主要動詞之間。
You should never leave your luggage unattended at the airport.
你不應該將行李留在機場無人看管。
EN： The conjunction 'while' can be followed by a present participle (-ing form) to indicate two actions happening at the same time. This is a reduced adverbial clause where the subject and 'be' verb are omitted.
中文： 連接詞 'while' 後面可以接現在分詞（-ing 形式），用來表示兩個動作同時發生。這是一種簡化的副詞子句，省略了主詞和 be 動詞。
Please be careful while crossing the street.
過馬路時請小心。
EN： In Western first aid training (like Red Cross or AHA), the very first rule is 'Scene Safety.' Rescuers are taught that they cannot help others if they become victims themselves. This reflects a practical approach to emergency management.
中文： 在西方急救訓練（如紅十字會或美國心臟協會）中，首要規則就是「現場安全」。施救者被教導，如果自己也成了受害者，就無法幫助他人。這反映了緊急情況管理中的實用主義原則。
EN： The conjunction 'Once' is used to indicate that as soon as one event happens, another event will follow. It often introduces a time clause.
中文： 連接詞 'Once' 用於表示一旦某事發生，另一件事就會隨之而來。它通常引導一個時間副詞子句。
Once you finish your homework, you can watch TV.
一旦你完成作業，你就可以看電視。
EN： The word 'if' is used here as a subordinator to introduce an indirect question or a noun clause, meaning 'whether'.
中文： 這裡的 'if' 作為從屬連接詞，用來引導間接問句或名詞子句，意思是「是否」。
I don't know if he will come to the party.
我不知道他是否會來參加聚會。
EN： In many Western countries, 'Scene Safety' is the absolute first priority taught in first aid (like Red Cross or AHA courses). You are advised not to become a second victim by rushing into a dangerous situation.
中文： 在許多西方國家的急救課程中（如紅十字會或美國心臟協會），「現場安全」是絕對的首要任務。急救員被告知不要冒然進入危險環境，以免成為第二個受害者。
EN： Imperative Mood: This sentence uses the imperative mood to give instructions or commands. It starts directly with the base form of the verb (Talk, tap), omitting the subject 'you'.
中文： 祈使句：此句子使用祈使句語氣來給予指令或建議。它直接以動詞原形（Talk, tap）開頭，省略了主詞「you」。
Open the window and let some fresh air in.
打開窗戶，讓一些新鮮空氣進來。
EN： Compound Predicate: The sentence uses the conjunction 'and' to connect two verbs (Talk and tap) that share the same implied subject.
中文： 複合謂語：句子使用連詞「and」來連接兩個動詞（Talk 和 tap），這兩個動詞共享同一個省略的主詞。
Sit down and relax for a moment.
坐下來休息一下。
EN： In emergency first aid, 'gently tapping' is a standard way to check for responsiveness without causing further injury. It is important to avoid shaking the person, especially if a neck or spinal injury is suspected.
中文： 在緊急救護中，「輕輕拍打」是確認傷者意識的標準方法，以避免造成進一步傷害。特別是在懷疑有頸部或脊椎受傷時，絕對要避免搖晃傷者。
EN： First Conditional: Used to talk about things which might happen in the future. The structure is 'If + present simple, will/should/can + verb'.
中文： 第一類條件句：用於描述未來可能發生的情況及其結果。結構為「If + 現在簡單式，will/should/can + 動詞原形」。
If it rains tomorrow, we will stay at home.
如果明天下雨，我們就會待在家裡。
EN： Modal Verb 'Should': Used to give advice or indicate what is the right thing to do.
中文： 情態動詞 'Should'：用於提供建議或表示應該做的正確事情。
You should eat more vegetables for your health.
為了你的健康，你應該多吃蔬菜。
EN： In many English-speaking countries, the emergency number is 911 (USA/Canada) or 999 (UK). When calling, the operator will ask 'Emergency, which service?' and you should specify 'Ambulance'.
中文： 在許多英語系國家，緊急電話是 911（美加）或 999（英國）。撥打時，接線員會問「緊急情況，需要哪種服務？」，此時你應明確回答「Ambulance」（救護車）。
EN： Adverbial Clause of Time: The sentence starts with a 'When' clause, which sets the timeframe for the main action. In such clauses, we use the present simple tense to refer to future or general situations.
中文： 時間副詞子句：句子以 'When' 開頭的子句引導，為主要動作設定時間背景。在此類子句中，我們使用現在簡單式來表示未來或普遍的情況。
When you arrive at the station, please call me.
當你到達車站時，請打電話給我。
EN： Imperative Mood: The main clause uses verbs like 'speak' and 'give' without a subject. This is the imperative mood, used to give instructions, commands, or advice.
中文： 祈使句：主句使用 'speak' 和 'give' 等動詞且省略主詞。這是祈使句用法，用於提供指示、命令或建議。
Listen carefully and take notes during the meeting.
會議期間請仔細聆聽並做筆記。
EN： In many English-speaking countries, the emergency number is 911 (USA/Canada) or 999 (UK). When calling, the dispatcher will prioritize your location to ensure help can be sent even if the call is disconnected.
中文： 在許多英語系國家，緊急電話是 911（美加）或 999（英國）。撥打時，調度員會優先詢問你的位置，以確保即使通話中斷也能派遣救援。
EN： Indirect Questions: When a question is used as an object within a sentence, the word order changes from 'question form' (verb-subject) to 'statement form' (subject-verb). For example, 'How many people are injured?' becomes '...how many people are injured.'
中文： 間接問句：當一個問句作為句子中的受詞時，語序會從「疑問句語序」（動詞-主詞）改為「陳述句語序」（主詞-動詞）。例如，「有多少人受傷？」在句中變成「...有多少人受傷」。
I don't know where he lives.
我不知道他住在哪裡。
EN： Present Perfect Tense: Formed with 'have/has + past participle', it is used here to describe an event that happened at an unspecified time in the past but is relevant to the current situation.
中文： 現在完成式：由「have/has + 過去分詞」構成，此處用於描述過去發生但與現狀相關的事件，且未指明具體時間。
The police have arrived at the scene.
警察已經到達現場了。
EN： In many English-speaking countries, emergency dispatchers are trained to keep you on the phone. Providing clear, concise information about the number of victims helps them prioritize resources (like sending multiple ambulances).
中文： 在許多英語系國家，緊急調度員受過訓練會讓你保持通話。提供關於受害者人數的清晰簡潔資訊，能幫助他們優先分配資源（例如派遣多輛救護車）。
EN： The structure 'One of the + superlative adjective + plural noun' is used to pick one item from a group of items that share a specific quality. Note that the noun must be plural, but the verb remains singular because the subject is 'One'.
中文： 結構「One of the + 最高級形容詞 + 複數名詞」用於從一組具有特定特質的事物中挑選出一個。請注意，名詞必須使用複數形式，但動詞需用單數，因為主詞是「One」（其中之一）。
One of the tallest buildings is in Taipei.
最高的大樓之一在台北。
EN： Superlative adjectives (e.g., 'the most important') are used to compare three or more things. For long adjectives, we use 'the most' before the word.
中文： 最高級形容詞（例如：the most important）用於三者或以上的比較。對於長單字形容詞，我們在單字前加上「the most」。
This is the most difficult task of the day.
這是今天最困難的任務。
EN： In many English-speaking countries, CPR is a standard skill taught in schools or workplaces. 'Good Samaritan laws' often protect people who perform CPR in good faith during an emergency.
中文： 在許多英語系國家，CPR 是學校或職場中教授的標準技能。「好撒馬利亞人法」(Good Samaritan laws) 通常會保護那些在緊急情況下出於善意進行 CPR 的施救者。
EN： The phrasal verb 'stand for' is used to indicate what an abbreviation or symbol represents.
中文： 片語動詞「stand for」用於表示縮寫或符號所代表的完整含義。
UN stands for the United Nations.
UN 代表聯合國。
EN： The present perfect tense (has stopped) is used here to describe an action that has recently happened and has a direct result in the present.
中文： 現在完成式 (has stopped) 在此處用於描述最近發生且對現在有直接影響的動作。
The rain has stopped, so we can go out now.
雨已經停了，所以我們現在可以出門了。
EN： In many English-speaking countries, CPR training is a common requirement for teachers, coaches, and workplace safety officers. The term 'cardiopulmonary' combines 'cardio' (heart) and 'pulmonary' (lungs).
中文： 在許多英語系國家，CPR 訓練是教師、教練和職場安全人員的常見要求。術語「cardiopulmonary」結合了「cardio」（心臟）和「pulmonary」（肺部）兩個詞根。
EN： The sentence begins with an 'Infinitive Phrase' (To + verb) used as an adverb of purpose. It explains 'why' the action in the main clause is being performed.
中文： 句子以「不定詞短語」（To + 動詞）開頭，用作目的副詞。它解釋了為什麼要執行主句中的動作。
To stay healthy, you should exercise every day.
為了保持健康，你應該每天運動。
EN： The main clause is an 'Imperative Sentence'. In English, imperatives are used to give instructions or commands. They start with the base form of the verb and the subject 'you' is implied but omitted.
中文： 主句是一個「祈使句」。在英文中，祈使句用於給予指示或命令。它們以動詞原形開頭，主詞「you」被省略。
Open the window to let some fresh air in.
打開窗戶讓新鮮空氣進來。
EN： In many Western countries, 'Good Samaritan laws' protect people who provide reasonable assistance to those who are injured or ill, encouraging bystanders to perform CPR without fear of legal repercussions.
中文： 在許多西方國家，「好撒馬利亞人法」（Good Samaritan laws）保護那些為傷病者提供合理援助的人，鼓勵旁觀者進行心肺復甦術，而不必擔心法律後果。
EN： Imperative Mood: This sentence uses the imperative mood, which is used to give commands, instructions, or advice. It starts with the base form of the verb (Put) and omits the subject 'you'.
中文： 祈使句：此句子使用祈使句語氣，用於給予命令、指示或建議。它以動詞原形 (Put) 開頭，並省略了主詞 'you'。
Place the bandage over the wound.
將繃帶敷在傷口上。
EN： Prepositional Phrases of Place: The sentence uses two prepositional phrases ('on the center' and 'of their chest') to provide specific spatial information about where the action should occur.
中文： 地點介係詞短語：句子使用了兩個介係詞短語（'on the center' 和 'of their chest'）來提供關於動作發生位置的具體空間資訊。
Stand in the middle of the room.
站在房間的中間。
EN： In first aid contexts, 'heel of the hand' is a technical term referring to the padded part of the palm near the wrist, which provides the most force during CPR.
中文： 在急救情境中，'heel of the hand'（手掌根部）是一個專業術語，指靠近手腕處有肉的部位，這是在進行心肺復甦術 (CPR) 時能提供最大力量的地方。
EN： Imperative Mood: The sentence starts with verbs (Push) without a subject to give a direct command or instruction. This is common in manuals and emergency procedures.
中文： 祈使句：句子以動詞（Push）開頭且省略主詞，用於給予直接的指令或說明。這在手冊和緊急程序中非常常見。
Stay calm and call for help.
保持冷靜並呼救。
EN： Adverbs of Manner: 'Hard' and 'fast' function as adverbs here, describing how the action (push) should be performed.
中文： 情狀副詞：'Hard'（用力地）與 'fast'（快速地）在此作為副詞，用來描述動作（按壓）應該如何進行。
Run fast to catch the bus.
快跑以趕上公車。
EN： The recommended CPR rate (100-120 bpm) matches the beat of popular songs like 'Stayin' Alive' by the Bee Gees, which is often used in first aid training to help people maintain the correct rhythm.
中文： 建議的 CPR 按壓速率（每分鐘 100-120 次）與 Bee Gees 的名曲《Stayin' Alive》節奏吻合。在急救訓練中，常建議學員腦中想著這首歌的節奏來維持正確的按壓速率。
EN： The Present Perfect Passive (have/has been + past participle) is used to describe an action that happened at an unspecified time in the past where the subject receives the action.
中文： 現在完成式的被動語態（have/has been + 過去分詞）用於描述過去某個不確定時間點發生的動作，且主詞是動作的接收者。
The students have been taught how to use the fire extinguisher.
學生們已經被教導如何使用滅火器。
EN： The First Conditional (If + present simple, can/will + base verb) is used to talk about possibilities in the present or future that are likely to happen.
中文： 第一類條件句（If + 現在簡單式，can/will + 原型動詞）用於討論在現在或未來極有可能發生的情況。
If you finish your homework, you can watch TV.
如果你完成作業，你就可以看電視。
EN： In many Western countries, 'Good Samaritan laws' protect people who provide reasonable assistance to those who are injured or ill, encouraging bystanders to help without fear of being sued.
中文： 在許多西方國家，設有「好撒馬利亞人法」（Good Samaritan laws），旨在保護那些對傷病者提供合理援助的人，鼓勵旁觀者施救而無需擔心法律訴訟。
EN： Passive Voice with Modal Verbs: The structure 'modal verb + be + past participle' (should be continued) is used when the focus is on the action being performed rather than who is doing it.
中文： 助動詞被動語態：結構為「助動詞 + be + 過去分詞」(should be continued)，用於強調動作本身而非執行動作的人。
The medicine must be taken after meals.
這藥必須在飯後服用。
EN： Subordinating Conjunction 'until': This conjunction connects a main clause to a time clause, indicating that an action continues up to a specific point in time.
中文： 從屬連接詞 'until'：此連接詞將主句與時間子句連接，表示某個動作一直持續到特定的時間點為止。
Wait here until I come back.
在這裡等直到我回來。
EN： In many English-speaking countries, the 'Good Samaritan law' protects people who provide reasonable assistance to those who are injured or in peril, encouraging bystanders to perform CPR without fear of being sued.
中文： 在許多英語系國家，設有「好撒馬利亞人法」(Good Samaritan law)，旨在保護那些對傷者提供合理援助的人，鼓勵旁觀者在緊急情況下施行 CPR 而不必擔心法律訴訟。
EN： Gerunds as Subject Complements: In this sentence, 'treating' and 'applying' are gerunds (verb + -ing) acting as nouns. They follow the linking verb 'is' to define or describe the subject 'skill'.
中文： 動名詞作為主詞補語：在本句中，「treating」和「applying」是動名詞（動詞 + -ing），其功能如同名詞。它們接在連綴動詞「is」之後，用來定義或描述主詞「skill」。
My favorite hobby is playing basketball.
我最喜歡的愛好是打籃球。
EN： Parallel Structure: When connecting two ideas with 'and', both should use the same grammatical form. Here, both 'treating' and 'applying' are gerunds, creating a balanced and clear sentence.
中文： 平行結構：當使用「and」連接兩個概念時，兩者應使用相同的語法形式。這裡「treating」和「applying」皆為動名詞，使句子結構平衡且清晰。
She enjoys swimming and running in the morning.
她喜歡在早上游泳和跑步。
EN： In many English-speaking countries, basic first aid knowledge is considered a civic responsibility. Schools and workplaces often require or encourage individuals to take certified courses from organizations like the Red Cross.
中文： 在許多英語系國家，具備基本的急救知識被視為一種公民責任。學校和職場通常會要求或鼓勵個人參加紅十字會等機構提供的認證課程。
EN： The sentence uses a First Conditional structure (If + present simple, ... should/will + verb) to describe a real possibility and a recommended action. It also contains a relative clause 'that is bleeding' to modify the noun 'cut'.
中文： 本句使用了第一類型條件句（If + 現在簡單式，... should/will + 動詞）來描述真實的可能性與建議採取的行動。此外，句中包含關係子句「that is bleeding」用來修飾名詞「cut」（傷口）。
If you see a fire, you should call the fire department immediately.
如果你看到火災，你應該立即撥打消防隊電話。
EN： The relative pronoun 'that' introduces a defining relative clause, identifying exactly which 'cut' is being referred to (the one that is bleeding).
中文： 關係代名詞「that」引導一個限定用法關係子句，用來明確指出所指的是哪一種「傷口」（正在流血的那一個）。
The book that is on the table belongs to me.
桌上的那本書是我的。
EN： In Western first aid training, 'BSI' (Body Substance Isolation) is a key concept. Washing hands and wearing gloves is emphasized to protect both the rescuer and the victim from cross-contamination and bloodborne pathogens.
中文： 在西方急救訓練中，「身體物質隔離」(BSI) 是一個核心概念。強調洗手和戴手套是為了保護施救者和傷者，避免交叉感染和血液傳染病。
EN： The sentence uses the Imperative Mood (starting with the base verb 'press') to give a direct instruction or command. The adverb 'firmly' modifies the verb to describe how the action should be performed.
中文： 本句使用祈使句（以動詞原形 press 開頭）來給予直接的指示或命令。副詞 firmly 修飾動詞，用來描述動作應該如何執行。
Hold the handle firmly while turning the key.
轉動鑰匙時請緊緊握住把手。
EN： The phrase 'to stop the bleeding' is an Infinitive of Purpose. It explains 'why' the action (pressing the cloth) is being done.
中文： 短語 'to stop the bleeding' 是不定詞表示目的之用法。它解釋了為什麼要執行該動作（按壓布料）。
He used a bandage to cover the cut.
他用繃帶包紮傷口。
EN： In many English-speaking countries, first aid training emphasizes 'direct pressure' as the primary method to control bleeding. Using a 'clean cloth' is a standard instruction to prevent infection while providing immediate care.
中文： 在許多英語系國家，急救訓練強調「直接加壓」是控制出血的首要方法。使用「乾淨的布」是標準指令，旨在提供即時護理的同時防止感染。
EN： The conjunction 'Once' is used to indicate that as soon as one event happens, another will occur. It is often used with the Present Perfect tense (has slowed down) to emphasize the completion of the first action before the second action begins.
中文： 連接詞「Once」(一旦) 用於表示某事一發生，另一件事隨即發生。常與現在完成式 (has slowed down) 連用，以強調在第二個動作開始之前，第一個動作必須先完成。
Once you have finished your homework, you can watch TV.
一旦你完成了功課，你就可以看電視。
EN： Imperative Mood: The main clause 'clean the wound' uses the base form of the verb to give a command or instruction. In English, the subject 'you' is understood and omitted in imperative sentences.
中文： 祈使句：主句「clean the wound」使用動詞原形來發出命令或指示。在英文中，祈使句的主詞「you」通常被省略。
Close the door quietly when you leave.
離開時請輕輕地關上門。
EN： In first aid instructions, using clear and direct language (the imperative mood) is standard practice to ensure that the steps are easy to follow during a stressful emergency.
中文： 在急救指令中，使用清晰且直接的語言（祈使句）是標準做法，以確保在緊張的緊急情況下，步驟易於遵循。
EN： The sentence uses the 'Imperative Mood', which is used to give commands, instructions, or advice. It starts directly with a base verb (apply) and the subject 'you' is implied but omitted.
中文： 本句使用了「祈使句」(Imperative Mood)，用於給予命令、指示或建議。句子直接以動詞原形 (apply) 開頭，省略了主詞「你」(you)。
Wash your hands before eating.
吃飯前要洗手。
EN： The 'to-infinitive' (to protect) is used here as an adverbial of purpose, explaining 'why' the action of applying a bandage is performed.
中文： 「不定詞」(to-infinitive，即 to + 動詞原形) 在此作為目的副詞使用，用來解釋「為什麼」要執行敷繃帶這個動作。
He exercised every day to stay healthy.
他每天運動以保持健康。
EN： In many English-speaking countries, basic first aid knowledge is highly encouraged and often taught in schools or workplaces. The phrase 'protect from infection' reflects a common medical priority in Western first aid: preventing secondary complications after the initial injury.
中文： 在許多英語系國家，基本的急救知識受到高度重視，且經常在學校或職場中教授。「保護免於感染」(protect from infection) 反映了西方急救中的一個常見醫療重點：預防初始受傷後的二次併發症。
EN： First Conditional (Real Condition): Used to talk about things which might happen in the future. The 'if' clause uses the Present Simple, and the main clause uses the Present Simple (for general truths) or 'will' (for specific future results).
中文： 第一類條件句（真實條件句）：用於描述未來可能發生的情況。'if' 引導的從句使用一般現在式，主句則使用一般現在式（表示普遍真理）或 'will'（表示特定未來的結果）。
If you feel dizzy, you should sit down immediately.
如果你感到頭暈，你應該立即坐下。
EN： Compound Subjects/Clauses with 'or': The conjunction 'or' is used to connect two alternative conditions. In this sentence, it connects two different situations that would both lead to the same result.
中文： 使用 'or' 的複合主詞或子句：連接詞 'or' 用於連接兩個可替換的條件。在本句中，它連接了兩種不同的情況，而這兩種情況都會導致相同的結果。
If the pain continues or the fever gets worse, call a doctor.
如果疼痛持續或發燒惡化，請打電話給醫生。
EN： In many English-speaking countries, 'medical help' in an emergency context often implies calling emergency services (like 911 or 999) or going to an 'Emergency Room' (ER) or 'Accident and Emergency' (A&E) department.
中文： 在許多英語系國家，緊急情況下的「醫療協助」（medical help）通常意指撥打緊急服務電話（如 911 或 999），或前往醫院的「急診室」（ER 或 A&E）。
EN： Gerund as Subject: A gerund (verb + -ing) functions as a noun and can be the subject of a sentence. It is treated as a singular noun.
中文： 動名詞當主詞：動名詞（動詞 + -ing）具有名詞功能，可作為句子的主詞。在語法上被視為單數名詞。
Reading books helps improve your vocabulary.
閱讀書籍有助於增加你的詞彙量。
EN： Modal Verb 'Could': Used here to express possibility or potential impact in a specific situation.
中文： 助動詞 'Could'：在此處用於表示在特定情況下的可能性或潛在影響。
Taking a map could prevent you from getting lost.
帶地圖可以防止你迷路。
EN： In many English-speaking countries, basic first aid knowledge is highly encouraged and often taught in schools or workplaces. The phrase 'make a real difference' emphasizes the civic responsibility and the impact an individual can have in a crisis.
中文： 在許多英語系國家，基本的急救知識受到高度重視，通常在學校或工作場所中教授。'make a real difference' 這個片語強調了公民責任以及個人在危機中能產生的影響力。
EN： Relative Clauses (Adjective Clauses): The word 'that' introduces a clause that describes the noun 'courses'. It functions as the subject of the clause 'that are designed for beginners'.
中文： 關係子句（形容詞子句）：單字 'that' 引導一個子句來修飾名詞 'courses'（課程）。在 'that are designed for beginners' 這個子句中，'that' 作為主詞使用。
I like books that have happy endings.
我喜歡有快樂結局的書。
EN： Passive Voice: The structure 'be + past participle' (are designed) indicates that the subject (courses) receives the action rather than performing it.
中文： 被動語態：結構為「be 動詞 + 過去分詞」(are designed)，表示主詞（課程）是動作的接收者，而非執行者。
This smartphone is designed for elderly people.
這款智慧型手機是專為年長者設計的。
EN： In many English-speaking countries, first aid certification is a common requirement for certain jobs (like teaching or coaching) and is highly valued as a civic responsibility.
中文： 在許多英語系國家，取得急救證照是某些職業（如教學或教練）的常見要求，且被視為一種重要的公民責任。
EN： The structure 'how to + base verb' is a noun phrase used as an object. It indicates the method or way of performing an action.
中文： 「how to + 原形動詞」結構是一個名詞短語，用作受詞。它表示執行某個動作的方法或方式。
She showed me how to use the new software.
她向我展示了如何使用這款新軟體。
EN： The prepositional phrase 'from A to B' is used to show a range or scope between two points, in this case, the severity of injuries.
中文： 介系詞短語「from A to B」用於表示兩個點之間的範圍或程度，在此句中是指受傷的嚴重程度範圍。
The store sells everything from toys to electronics.
這家店販售從玩具到電子產品的所有東西。
EN： In many English-speaking countries, first aid training is highly encouraged and often required for certain jobs (like teaching or coaching). The 'Good Samaritan' laws in these regions often protect people who provide reasonable assistance to those who are injured or ill.
中文： 在許多英語系國家，急救訓練受到高度鼓勵，且某些職業（如教師或教練）通常要求具備相關證照。這些地區的「好撒馬利亞人法」(Good Samaritan laws) 通常會保護那些對傷病者提供合理援助的人，免受法律追訴。
EN： The sentence uses 'that' as a conjunction to introduce a noun clause (object clause). This clause functions as the object of the imperative verb 'Remember', specifying what should be remembered.
中文： 本句使用 'that' 作為連接詞來引導名詞子句（賓語子句）。該子句作為祈使句動詞 'Remember' 的受詞，具體說明應該記住的內容。
I believe that everyone can learn first aid.
我相信每個人都能學習急救。
EN： The 'to + verb' (infinitive) structure here expresses purpose. It explains 'why' you would be a doctor or take action—in this case, 'to help someone'.
中文： 此處的 'to + 動詞'（不定詞）結構用來表示目的。它解釋了為什麼要成為醫生或採取行動——在這種情況下是「為了幫助某人」。
He ran fast to catch the bus.
他跑得很快以便趕上公車。
EN： In many English-speaking countries, 'Good Samaritan laws' protect people who provide reasonable assistance to those who are injured or ill. This sentence reflects the cultural encouragement for ordinary citizens to act in emergencies without fear of legal repercussions for not being a professional.
中文： 在許多英語系國家，「好撒馬利亞人法」(Good Samaritan laws) 保護那些為傷病者提供合理援助的人。這句話反映了鼓勵普通公民在緊急情況下採取行動的文化，而不必擔心因為自己不是專業人士而承擔法律責任。
EN： The use of 'like' as a preposition to introduce examples. It is followed by gerunds (verb-ing) when describing actions.
中文： 使用 'like' 作為介係詞來引導例子。當描述動作時，後面接動名詞 (V-ing)。
Healthy habits, like exercising daily or eating vegetables, are good for you.
健康的習慣，例如每天運動或吃蔬菜，對你有好處。
EN： The modal verb 'can' expresses possibility or ability. Here it indicates the potential outcome of an action.
中文： 助動詞 'can' 用於表達可能性或能力。在這裡它表示某個行動可能產生的結果。
Regular practice can improve your English skills significantly.
規律的練習可以顯著提高你的英語能力。
EN： In many English-speaking countries, calling an ambulance (911 in the US, 999 in the UK, 000 in Australia) is the first and most critical step in an emergency. There are also 'Good Samaritan' laws that protect people who give reasonable assistance to those who are injured or ill.
中文： 在許多英語系國家，撥打急救電話（美國為 911，英國為 999，澳洲為 000）是緊急情況下第一步也是最關鍵的一步。此外，還有「好撒馬利亞人法」(Good Samaritan laws)，旨在保護那些對傷病者提供合理援助的施救者。
EN： The modal verb 'should' is used to give advice or express an obligation. It is followed by the base form of the verb (take).
中文： 助動詞 'should' 用於提供建議或表達義務。其後接動詞原形 (take)。
You should drink more water every day.
你每天應該多喝水。
EN： The phrase 'take the time to [verb]' means to spend the necessary amount of time to complete an action, often implying that the action is worthwhile.
中文： 片語 'take the time to [動詞]' 意指花費必要的時間來完成某事，通常暗示該行為是值得的。
He took the time to explain the rules to me.
他花時間向我解釋規則。
EN： In many Western cultures, there is a strong emphasis on civic duty and the 'Good Samaritan' principle, where individuals are encouraged to learn basic medical skills to help others in public spaces before professional help arrives.
中文： 在許多西方文化中，非常強調公民責任和「好撒馬利亞人」原則，鼓勵個人學習基本的醫療技能，以便在專業救援到達前，在公共場所幫助他人。
重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中： 突發且危險的情況，需要立即採取行動。
在本文中： 絕對必要或極其重要的。
在本文中： 清醒的，有意識的。
在本文中： 立刻，毫不延遲地。
在本文中： 使人恢復呼吸或心跳的急救行為（復甦）。
在本文中： 執行或進行某項任務或動作。
在本文中： 傷口被細菌或病毒感染。
在本文中： 為了特定目的而成立的組織或團體。
片語包含類型標示、雙語定義、用法說明和例句。
Emergency care or treatment given to an ill or injured person before regular medical aid can be obtained.
急救
To demand or request something, especially publicly or in an emergency.
呼叫；要求
To remain quiet and relaxed, especially in a difficult or frightening situation.
保持冷靜
To have a significant effect on a person or situation.
產生影響；起到作用
The part of the palm that is closest to the wrist.
手掌根部
The act of blowing air into the mouth or nose of a person who has stopped breathing.
人工呼吸
The act of putting a medical dressing or covering onto a wound.
包紮繃帶
Public organizations that respond to emergencies, such as the police, fire department, and ambulance services.
緊急救援服務（如 119/110 系統）