EN： The phrase 'be here to + verb' is used to state the purpose of your presence in a specific location.
中文： 句型“be here to + 动词”用于说明你出现在某个特定地点的目的。
I'm here to pick up my luggage.
我是来领取我的行李的。
EN： The phrasal verb 'check in' means to register your arrival at a hotel or airport.
中文： 短语动词“check in”意指在酒店或机场办理报到/登记手续。
You should check in at least two hours before departure.
你应该在出发前至少两小时办理报到。
EN： In international travel, 'checking in' is the first formal interaction at the airport. It's common to start with a greeting like 'Good morning' or 'Hello' to establish a polite rapport with the airline staff.
中文： 在国际旅行中，“办理登机 (checking in)”是机场的第一个正式互动。通常会以“早安”或“你好”等问候语开始，与航空公司职员建立礼貌的互动关系。
EN： The modal verb 'May' is used at the beginning of a sentence to ask for permission in a formal and polite manner. It is more formal than 'Can'.
中文： 助动词“May”用于句首，以正式且礼貌的方式请求许可。这比使用“Can”更为正式。
May I borrow your pen for a moment?
我可以借用一下您的笔吗？
EN： The word 'please' is a politeness marker. When placed at the end of a request, it is usually preceded by a comma to soften the tone.
中文： 单字“please”是礼貌标记。当放在请求句的句尾时，通常前面会加上逗号，用以委婉化语气。
Could you open the window, please?
请帮我开一下窗户好吗？
EN： In international travel, airline agents use highly standardized polite English. Using 'May I' and 'please' is the professional standard for customer service in English-speaking countries.
中文： 在国际旅行中，航空公司地勤人员会使用高度标准化的礼貌英语。使用“May I”和“please”是英语系国家客服专业标准的体现。
EN： The Present Continuous tense (am/is/are + verb-ing) is frequently used to describe fixed future arrangements or plans that have already been organized.
中文： 现在进行时 (am/is/are + V-ing) 常被用来描述已经安排好的未来计划或行程。
I'm meeting my friend for dinner tomorrow.
我明天要和朋友吃晚餐。
EN： The phrase 'Here they are' uses inversion for emphasis when handing over multiple items. 'They' refers to the plural nouns (passport and ticket) mentioned previously.
中文： 当递交多件物品时，使用 'Here they are'。这里的 'they' 指代前文提到的复数名词（护照与机票）。
Where are my keys? Oh, here they are!
我的钥匙在哪？喔，在这里！
EN： In English-speaking service environments, it is polite to confirm your destination even if it's on your ticket, as it helps the agent double-check your information quickly.
中文： 在英语系的服务环境中，即便机票上已有记载，主动口头确认目的地被视为一种礼貌且专业的做法，这能帮助地勤人员快速核对信息。
EN： The phrase 'Would you like' is a polite way to offer something or ask about someone's preferences. It is more formal and courteous than 'Do you want'.
中文： 「Would you like」是一种礼貌地提供建议或询问对方偏好的方式。这比「Do you want」更正式且客气。
Would you like some tea or coffee?
您想要喝茶还是咖啡？
EN： The conjunction 'or' is used to present a choice between two or more alternatives. In this sentence, it connects 'window' and 'aisle'.
中文： 连词「or」用于在两个或多个选项之间提供选择。在本句中，它连接了「window」（靠窗）和「aisle」（靠走道）。
Do you prefer tea or coffee?
你比较喜欢茶还是咖啡？
EN： In air travel, passengers often have strong preferences for seating. A 'window seat' is popular for the view and a place to lean, while an 'aisle seat' is preferred by those who want easy access to the restroom or to stretch their legs.
中文： 在航空旅行中，乘客通常对座位有明确偏好。「靠窗座位」(window seat) 因能看风景且有地方倚靠而受欢迎；「靠走道座位」(aisle seat) 则受需要频繁去洗手间或想伸展双腿的乘客青睐。
EN： 'I'd' is the contraction of 'I would'. 'Would prefer' is a polite way to express a choice or desire, often used in formal situations like checking in at an airport.
中文： 「I'd」是「I would」的缩写。「Would prefer」是一种表达选择或愿望的礼貌方式，常用于机场报到等正式场合。
I'd prefer a quiet table in the corner, please.
请给我一个角落安静的桌位。
EN： The word 'if' introduces a conditional clause. In this sentence, it sets a condition (if the seat is available) for the speaker's preference to be fulfilled.
中文： 「If」引导一个条件子句。在此句子中，它为说话者的偏好设定了一个前提条件（如果还有位子的话）。
We can go for a walk if it stops raining.
如果雨停了，我们可以去散步。
EN： In air travel, passengers often have strong preferences for 'window' (for the view and headrest) or 'aisle' (for easy access to the restroom). Asking politely using 'I'd prefer' is standard etiquette at the check-in counter.
中文： 在搭乘飞机时，乘客通常对“靠窗”（为了景观和靠头）或“走道”（为了方便去洗手间）有明确偏好。在报到柜台使用“I'd prefer”进行礼貌询问是标准的社交礼仪。
EN： Non-restrictive Relative Clause: The word 'which' is used after a comma to provide extra information about the preceding noun ('seat 12A'). It does not define which seat it is, but adds a comment about it.
中文： 非限定用法关系从句：在逗号后使用 'which' 来对前面的名词（seat 12A）提供额外的补充说明。这并非用来界定是哪一个座位，而是对该座位进行评论。
He gave me a map, which was very helpful.
他给了我一张地图，这对我很有帮助。
EN： Modal Verb 'Can' for Possibility/Ability: 'Can' is used here to express the agent's ability or the possibility of assigning a specific seat based on availability.
中文： 助动词 'Can' 表示可能性或能力：这里使用 'can' 来表达地勤人员有能力或根据剩余空位情况可以安排特定座位的可能性。
I can offer you a discount if you pay in cash.
如果您付现，我可以给您折扣。
EN： In airline travel, seat 12A is often a window seat (as 'A' and 'F' are typically window seats in narrow-body aircraft). Agents use positive reinforcement like 'which is perfect' to enhance customer satisfaction during the check-in process.
中文： 在航空术语中，12A 通常是靠窗位（因为在窄体客机中 A 和 F 通常是靠窗位）。地勤人员使用像 'which is perfect' 这样的正面肯定语，是为了在办理登机手续时提升顾客满意度。
EN： Linking Verbs (Sensory Verbs): The verb 'sounds' is a linking verb used to describe the subject. It is followed by an adjective (great) rather than an adverb.
中文： 连系动词（感官动词）：动词 'sounds' 是连系动词，用来描述主语。其后接形容词 (great) 而非副词。
That idea sounds interesting.
那个主意听起来很有趣。
EN： Intensifiers with Thanking: 'Very much' is an adverbial phrase used to intensify the verb 'thank'. It usually comes after the object 'you'.
中文： 感谢语中的加强词：'Very much' 是一个副词短语，用于加强动词 'thank' 的程度。它通常放在宾语 'you' 之后。
I appreciate your kindness very much.
我非常感激你的仁慈。
EN： In Western service culture, expressing gratitude with 'very much' and specifying what you are thankful for (e.g., 'for your help') is considered polite and professional.
中文： 在西方服务文化中，使用 'very much' 表达感谢并具体说明感谢的原因（例如 'for your help'）被认为是非常有礼貌且专业的表现。
EN： The Future Continuous tense (will be + verb-ing) is often used in service contexts to ask about a person's plans or intentions in a polite and professional manner.
中文： 未来进行时 (will be + V-ing) 常在服务业场景中使用，用来有礼貌且专业地询问对方的计划或意图。
Will you be staying with us for two nights?
您会与我们一起待两个晚上吗？
EN： The phrasal verb 'check in' means to register or give your luggage to an airline so it can be put on the plane.
中文： 短语动词 'check in' 在此指“托运”，即办理登记并将行李交给航空公司以便装载上机。
I need to check in my bags at the counter.
我需要在柜台托运我的行李。
EN： In Western service industries, using a customer's first name (like 'Sarah') is common if it's visible on their documents, as it creates a friendly and personalized atmosphere. However, in very formal settings, 'Ms. [Last Name]' might be used.
中文： 在西方服务业中，如果顾客的名字显示在文件上，直接称呼其名（如 'Sarah'）是很常见的，这能营造亲切且个人化的氛围。但在极正式的场合，仍可能使用 'Ms. [姓氏]'。
EN： The phrase 'as well' is an adverbial phrase used at the end of a sentence to mean 'also' or 'in addition'. It is more common in spoken English than 'also' at the end of a clause.
中文： 短语 'as well' 是一个副词短语，通常放在句尾，意思是“也”或“此外”。在口语中，它比放在句尾的 'also' 更为常见。
I would like some coffee and a piece of cake as well.
我想要一些咖啡，还要一块蛋糕。
EN： The word 'luggage' is an uncountable noun (mass noun). It cannot be pluralized as 'luggages' and is used with singular verbs. To count it, we use 'pieces of luggage'.
中文： 单词 'luggage'（行李）是一个不可数名词。它不能变成复数形式 'luggages'，且须搭配单数动词。若要计数，我们会使用 'pieces of luggage'。
How much luggage are you carrying?
你带了多少行李？
EN： In air travel, 'luggage' and 'baggage' are used interchangeably. 'Carry-on' refers to bags you take onto the plane, while 'checked bags' go in the cargo hold. Knowing these terms is essential for navigating airport security and check-in.
中文： 在航空术语中，'luggage' 和 'baggage' 可以互换使用。'Carry-on' 指的是带上飞机的随身行李，而 'checked bags' 则是放置在货舱的托运行李。了解这些术语对于办理登机手续和通过安检至关重要。
EN： Imperative Mood: This sentence uses the imperative mood to give a polite instruction or request. It starts with 'Please' followed by the base form of the verb 'place'.
中文： 祈使句：此句使用祈使句来表达礼貌的指示或要求。以 'Please' 开头，后接动词原形 'place'。
Please show me your identification.
请出示您的身份证明。
EN： Prepositional Phrases for Purpose: The phrase 'for weighing' uses the preposition 'for' followed by a gerund (verb+ing) to indicate the purpose or reason for the action.
中文： 表示目的的介词短语：短语 'for weighing' 使用介词 'for' 后接动名词 (V-ing) 来表示该动作的目的或原因。
This tool is used for cutting wood.
这个工具是用来切割木头的。
EN： At airport check-in counters, staff use polite but direct imperatives to maintain efficiency. 'Please' is essential to remain professional while giving orders.
中文： 在机场报到柜台，工作人员会使用礼貌但直接的祈使句以维持效率。在下达指令时，加上 'Please' 对于保持专业态度至关重要。
EN： The verb 'hope' is often followed by a 'that-clause' (noun clause) to express a desired outcome. In casual conversation, the conjunction 'that' is frequently omitted.
中文： 动词「hope」(希望) 后面通常接一个「that 子句」(名词子句) 来表达期望的结果。在口语对话中，连接词「that」经常会被省略。
I hope (that) you have a safe flight.
我希望你飞行平安。
EN： The use of 'it' as a dummy subject or pronoun to refer to an object previously mentioned (in this context, the suitcase).
中文： 使用「it」作为代名词，用来指代前面提到过的物品（在此情境中指行李箱）。
The bag is small, but it is heavy.
这个袋子很小，但它很重。
EN： In Western travel culture, airline staff are strict about weight limits. Using polite phrases like 'I hope it's not too heavy' shows awareness of the rules and can sometimes lead to more sympathetic treatment if the bag is only slightly over.
中文： 在西方旅游文化中，航空公司对行李重量限制非常严格。使用像「我希望它不会太重」这样的礼貌用语，显示出你对规定的尊重，如果行李只是稍微超重，有时能获得地勤人员更友善的处理。
EN： The sentence uses a non-defining relative clause starting with 'which'. This provides extra information about the entire preceding clause or the specific noun 'weight'.
中文： 本句使用了由 'which' 引导的非限定用法关系子句。这种结构用来对前面的先行词或整个子句提供额外的补充说明。
The flight was delayed, which was very annoying.
班机延误了，这点让人感到很烦。
EN： The word 'fine' is used here as a predicate adjective meaning 'satisfactory' or 'acceptable' in a formal or semi-formal context.
中文： 'Fine' 在此作为表语形容词，意指「没问题」或「可以接受」，常用于正式或半正式的场合来确认状态。
Your application is fine; you don't need to change anything.
你的申请书没问题；你不需要修改任何东西。
EN： In international travel, most airlines have a standard weight limit of 23kg (50lbs) for checked luggage in economy class. Being at 22kg is 'acceptable' because it is just under the common limit.
中文： 在国际旅行中，大多数航空公司的经济舱托运行李标准限重为 23 公斤（50 磅）。22 公斤被视为“可接受的”，因为它刚好低于常见的限重标准。
EN： The phrase 'be worried about' is an adjective phrase used to describe a state of anxiety or concern. In this sentence, the past tense 'was' is used to show that the speaker was worried until the moment they received the good news.
中文： 短语 'be worried about' 是一个形容词短语，用于描述焦虑或担心的状态。在此句子中，使用过去式 'was' 表示说话者在得知好消息之前一直处于担心的状态。
He was worried about the exam results yesterday.
他昨天很担心考试结果。
EN： The word 'That' functions as a demonstrative pronoun referring back to the previous situation or statement (the fact that the weight is acceptable).
中文： 单词 'That' 作为指示代词，指代前文提到的情况或说法（即行李重量在许可范围内这件事）。
That is a great idea!
那真是个好主意！
EN： In air travel, 'weight limit' is a common source of anxiety for passengers. Using 'That's a relief' is a very natural way to respond to good news from service staff, showing politeness and genuine emotion.
中文： 在航空旅行中，“重量限制”是乘客常见的焦虑来源。使用“That's a relief”是回应服务人员好消息的一种非常自然的方式，展现了礼貌与真实的情绪。
EN： The contraction 'Here's' (Here is) is used to point out something that is being handed over or is nearby. It functions as an introductory phrase where the real subject follows the verb.
中文： 缩写 'Here's' (Here is) 用于指出正在递给对方或就在附近的事物。这是一种倒装结构，真正的动词主语位在动词之后。
Here's the key to your room.
这是您房间的钥匙。
EN： Present Participle as a reduced clause: 'boarding at 10:30' acts as a shortened form of 'which starts boarding at 10:30', providing additional information about the gate or the flight process.
中文： 现在分词作简化子句：'boarding at 10:30' 是 'which starts boarding at 10:30' 的缩减形式，用来提供关于登机门或登机流程的补充信息。
The train is at platform 4, departing in five minutes.
火车在第四站台，五分钟后出发。
EN： In international travel, the 'gate' and 'boarding time' are the most critical pieces of information. Boarding usually starts 30-45 minutes before the actual departure time, which is why the agent emphasizes it separately from the gate number.
中文： 在国际旅行中，“登机口”和“登机时间”是最关键的信息。登机通常在实际起飞前 30-45 分钟开始，这就是为什么地勤人员会将其与登机口号码分开强调的原因。
EN： Imperative Mood: This sentence uses the imperative mood to give a polite instruction or command. It starts with 'Please' followed by the base form of the verb 'remove'.
中文： 祈使句：此句子使用祈使句来给予礼貌的指示或命令。以 'Please' 开头，后接动词原形 'remove'。
Please turn off your mobile phone during the movie.
电影放映期间请关闭手机。
EN： Compound Object: The verb 'remove' takes two objects connected by the conjunction 'and' (your laptop and liquids), showing that the action applies to both items.
中文： 复合宾语：动词 'remove' 带有两个由连词 'and' 连接的宾语（您的笔记本电脑和液体），表示该动作同时作用于这两项物品。
I need to buy bread and milk from the store.
我需要从商店买面包和牛奶。
EN： At airport security checkpoints worldwide, passengers are required to place electronics larger than a cell phone and liquids (usually in containers under 100ml) in separate bins for X-ray screening.
中文： 在全球机场安检处，乘客通常被要求将大于手机的电子产品以及液体（通常需装在100毫升以下的容器中）取出，单独放入托盘进行X光扫描。
EN： The phrasal verb 'take out' is separable. When the object is a pronoun (like 'them'), it must be placed between the verb and the particle.
中文： 动词短语 'take out' (拿出来) 是可拆分的。当宾语是代词（如 'them'）时，必须放在动词和介词中间。
Please take it out of the box.
请把它从盒子里面拿出来。
EN： The contraction 'I'll' (I will) is used here to express a spontaneous decision or a promise made at the moment of speaking.
中文： 缩写 'I'll' (I will) 在此用于表达说话当下所做的即时决定或承诺。
Wait, I'll help you with those bags.
等等，我来帮你提那些袋子。
EN： In airport security contexts, being polite and following instructions quickly (using phrases like 'right away') is expected and helps the process go smoothly.
中文： 在机场安检情境中，保持礼貌并迅速配合指令（使用如 'right away' 等词汇）是基本的礼仪，有助于安检过程顺利进行。
EN： The phrasal verb 'take off' means to remove something, especially clothing or accessories from the body. It is a separable phrasal verb, meaning the object can sometimes go between 'take' and 'off'.
中文： 短语动词“take off”意为“脱掉”或“摘除”，特别是从身上移除衣物或配件。这是一个可拆分的短语动词，宾语有时可以放在 take 与 off 之间。
Please take off your hat when you enter the building.
进入建筑物时请摘下你的帽子。
EN： The semi-modal 'need to' is used to express necessity or obligation. It is followed by the base form of the verb.
中文： 准情态助动词“need to”用于表达必要性或义务，后面接动词原形。
You need to show your ID at the entrance.
你需要在入口处出示你的身份证。
EN： In many international airports, especially in the United States (TSA), passengers are required to remove their shoes and belts during security screening to check for prohibited items. However, rules vary by country and airport technology.
中文： 在许多国际机场（特别是美国 TSA），乘客在安检时必须脱掉鞋子和皮带，以便检查是否有违禁品。不过，具体规定会因国家和机场设备技术而异。
EN： The modal verb 'should' is used to ask for advice, suggestions, or to confirm if an action is appropriate in a given situation.
中文： 助动词 'should' 用于征求建议、提议，或确认在特定情况下某个行为是否合适。
Should I wait for you at the entrance?
我应该在入口处等你吗？
EN： The pronoun 'everything' is a singular indefinite pronoun. Even though it refers to multiple items, it is treated as a single unit in English grammar.
中文： 代词 'everything' 是一个单数不定代词。尽管它指的是多个物品，但在英语语法中被视为单数单位。
Everything is ready for the trip.
旅行的一切都准备好了。
EN： At airport security checkpoints, 'trays' (or bins) are used to hold personal items like electronics, liquids, and belts for X-ray scanning. It is common to ask for clarification as rules can vary slightly between airports.
中文： 在机场安检处，“托盘”（tray）用于放置电子产品、液体和皮带等个人物品以进行 X 光扫描。由于不同机场的规定可能略有不同，询问清楚是常见且礼貌的做法。
EN： The First Conditional (if + present simple) is used to talk about possible future situations and their results. In this sentence, it provides a solution if a specific condition (needing more space) is met.
中文： 第一类条件句（if + 现在简单时）用于讨论未来可能发生的情况及其结果。在此句子中，它提供了一个在满足特定条件（需要更多空间）时的解决方案。
If you are cold, please close the window.
如果你觉得冷，请把窗户关上。
EN： Imperative Mood: The sentence starts with a verb ('use') to give a polite instruction or request. Adding 'please' makes the command more courteous.
中文： 祈使句：句子以动词“use”（使用）开头，用于给予礼貌的指示或要求。加入“please”使命令语气更为客气。
Please sign your name here.
请在这里签名。
EN： At airport security checkpoints, it is common for officers to use polite but direct imperatives. Using multiple trays is encouraged to prevent items from overlapping, which helps the X-ray machine get a clearer image.
中文： 在机场安检处，安检人员通常会使用礼貌但直接的祈使句。安检鼓励使用多个托盘以防止物品重叠，这有助于 X 光机获得更清晰的影像。
EN： The sentence uses a 'that-clause' as a noun clause acting as the object of the verb 'think'. In spoken English, the conjunction 'that' is frequently omitted.
中文： 本句使用“that 子句”作为动词 think 的宾语（受词）。在口语英语中，连接词 that 经常被省略。
I think (that) we should leave now.
我想我们现在应该离开了。
EN： The future simple tense 'will be' is used here to express a prediction or an opinion about a future situation based on the current context.
中文： 此处使用简单未来式“will be”来表达根据当前情况对未来状况的预测或看法。
This amount of food will be enough for five people.
这些食物的量对五个人来说应该足够了。
EN： At airport security, passengers are often asked to separate electronics and liquids into different trays. Saying 'one tray will be enough' informs the officer that you have managed to organize your items efficiently.
中文： 在机场安检时，乘客通常被要求将电子产品和液体分开放在不同的托盘中。说“一个托盘就够了”是告知安检人员你已经有效地整理好了物品，不需要额外的空间。
EN： Imperative Mood: The sentence starts with 'Please' followed by a base verb ('step') to give a polite instruction or command. The subject 'you' is implied.
中文： 祈使句：句子以 'Please' 开头，后接动词原形 ('step')，用于给予礼貌的指示或命令。主词 'you' 通常被省略。
Please sign your name on this line.
请在这条线上签名。
EN： Adverbial Clause of Time: The conjunction 'when' introduces a dependent clause ('when you're ready') that specifies the time at which the main action should occur.
中文： 时间副词子句：连接词 'when' 引导一个从属子句 ('when you're ready')，用来明确说明主句动作应该发生的时间点。
Call me when you arrive at the airport.
你到达机场时请打给我。
EN： In airport security contexts, officers use polite but firm language. Phrases like 'Please step through' are standard protocol to ensure safety while maintaining a professional demeanor.
中文： 在机场安检情境中，安检人员会使用礼貌但坚定的语言。像 'Please step through' 这样的短语是标准程序，旨在确保安全的同时保持专业态度。
EN： The verb 'think' is often followed by a noun clause (that-clause) acting as the object. In spoken English, the conjunction 'that' is frequently omitted.
中文： 动词 'think'（认为/觉得）后面常接一个名词从句（that 从句）作为宾语。在口语英语中，连词 'that' 经常会被省略。
I think we are going to be late.
我想我们要迟到了。
EN： The preposition 'on' is used when referring to being a passenger on large public transportation vehicles like planes, trains, or buses.
中文： 介词 'on' 用于表示搭乘飞机、火车或公交车等大型公共交通工具。
There are many passengers on the train.
火车上有许多乘客。
EN： In Western culture, it is common and polite to use 'Excuse me' before addressing someone, even if you know them, especially if you are interrupting their current activity or movement in a public space like an airport.
中文： 在西方文化中，在与他人搭话之前使用 'Excuse me' 是非常普遍且礼貌的做法，即使是熟人也不例外，特别是在机场这类公共场所，当你可能中断对方的行动或注意力时。
EN： Exclamatory sentences starting with 'What' are used to express strong emotions. The structure is 'What + (a/an) + adjective + noun + (subject + verb)!'.
中文： 以 'What' 开头的感叹句用于表达强烈的情感。结构为“What + (a/an) + 形容词 + 名词 + (主语 + 动词)！”。
What a beautiful day it is!
多么美好的一天啊！
EN： The 'It is + adjective + to-infinitive' structure is often used to express feelings about an action. In this sentence, 'It is' is implied: '(It is) a nice surprise to see you'.
中文： “It is + 形容词 + 不定式”结构常用于表达对某个动作的感受。在本句中，“It is”被省略了：(It is) a nice surprise to see you。
It's nice to meet you.
很高兴见到你。
EN： In English-speaking cultures, it is common to express enthusiasm when unexpectedly bumping into an acquaintance. Using 'What a...' is a very natural way to show positive emotion in social settings like airports.
中文： 在英语系国家，偶遇熟人时通常会表现得非常热情。使用“What a...”是在机场等社交场合中表达正面情绪非常自然的方式。
EN： The Present Continuous tense (am/is/are + verb-ing) is frequently used to describe fixed future arrangements or plans that have already been decided.
中文： 现在进行时 (am/is/are + V-ing) 常用语描述已经决定好的未来安排或计划。
I'm meeting my boss at the airport tomorrow.
我明天要在机场和我的老板见面。
EN： The preposition 'for' is used here to indicate the purpose or reason for the trip.
中文： 介词 'for' 在此处用于表示旅行的目的或原因。
She is going to Paris for a vacation.
她要去巴黎度假。
EN： In a business context, 'conference' refers to a formal meeting for discussion or exchange of information. London is a global hub for such events, making this a very common scenario for international travelers.
中文： 在商务语境中，'conference' 指的是正式的会议或信息交流活动。伦敦是这类活动的全球中心，因此这是国际旅客非常常见的场景。
EN： The Present Continuous tense (am/is/are + verb-ing) is frequently used to describe fixed future arrangements or planned actions, rather than just actions happening right now.
中文： 现在进行时 (am/is/are + 动词-ing) 除了描述正在发生的动作，也常用语描述已安排好的未来计划。
I'm meeting my friend for dinner tomorrow.
我明天要和朋友吃晚餐。
EN： The preposition 'for' is used to indicate a duration of time, showing how long an action or situation lasts.
中文： 介词 'for' 用于表示一段持续的时间，说明某个动作或状态持续了多久。
They stayed in Paris for three days.
他们在巴黎待了三天。
EN： In English-speaking cultures, 'That's interesting' is a polite way to acknowledge what someone said. Depending on the tone, it can show genuine interest or simply serve as a filler to keep the conversation going.
中文： 在英语系国家中，“That's interesting”是回应他人说话的一种礼貌方式。根据语调的不同，它可以表示真正的兴趣，或者仅仅作为维持对话的填充词。
EN： Present Perfect Tense (Have + Past Participle): Used to talk about an action that happened at an unspecified time in the past and has relevance to the present moment.
中文： 现在完成时 (Have + 过去分词)：用于描述过去某个不特定时间发生，且与现在情况相关的动作。
Have you finished your homework yet?
你完成功课了吗？
EN： Modal Verb 'Might': Used to express a possibility or uncertainty about a future or present event.
中文： 助动词 'Might'：用于表达对未来或现在事件的可能性或不确定性（可能、也许）。
It might rain later this afternoon.
今天下午晚些时候可能会下雨。
EN： In international airports, the 'Departure Board' or 'FIDS' (Flight Information Display System) is the primary source of truth for gate changes and delays, often updated before personal notifications.
中文： 在国际机场，「离境看板」或称 FIDS（航班信息显示系统）是获取登机门变更和延误信息的最准确来源，通常比个人手机通知更即时。
EN： The causative verb 'let' is followed by an object and the base form of a verb (bare infinitive) to express permission or a suggestion.
中文： 使役动词 'let' 后接受词和原形动词（不带 to 的不定词），用来表达允许或提议。
Let me help you with those bags.
让我帮你提那些袋子。
EN： Adverbs of time (right now) and manner (quickly) are often placed at the end of a sentence to provide additional details about the action.
中文： 时间副词 (right now) 与情状副词 (quickly) 通常放在句尾，用来提供关于动作的额外细节。
Please finish your homework right now.
请现在立刻完成你的作业。
EN： The phrase 'it says' is commonly used to report information found on signs, screens, or in written documents, where 'it' refers to the source of information.
中文： 片语「it says」常用于转述在标志、屏幕或书面文件中看到的信息，其中「it」指的是信息来源（如屏幕或告示）。
It says on the menu that the soup is spicy.
菜单上写着这道汤是辣的。
EN： 'Because of' is a compound preposition used to introduce a reason. It must be followed by a noun or a noun phrase, not a full clause.
中文： 「Because of」是一个复合介系词，用于引出原因。后面必须接名词或名词短语，而不能接完整的子句。
The game was canceled because of the heavy rain.
比赛因为大雨而取消了。
EN： In international travel, weather is the most common reason for short delays. Using 'it says' is a polite way to shift the 'blame' for bad news to an official source like a screen.
中文： 在国际旅行中，天气是造成短暂延误最常见的原因。使用「it says」是一种委婉的方式，将坏消息的来源归于屏幕等官方信息，而非说话者本人。
EN： The use of 'Attention' as a noun to start an announcement. In formal public addresses, the noun 'Attention' is used without a verb to immediately capture the audience's focus.
中文： 使用名词「Attention」作为公告的开头。在正式的公共广播中，名词「Attention」通常不加动词直接使用，用以立即吸引听众的注意力。
Attention all shoppers, the store will close in ten minutes.
各位顾客请注意，本商店将于十分钟后结束营业。
EN： Prepositional phrases as modifiers. 'On flight BA 247' and 'to London Heathrow' act as adjectives to specify which passengers are being addressed.
中文： 介词短语作为修饰语。「On flight BA 247」与「to London Heathrow」充当形容词功能，用来明确指出广播对象是哪些乘客。
The woman on the bus to Paris is my aunt.
那名在前往巴黎巴士上的女士是我阿姨。
EN： London Heathrow (LHR) is one of the world's busiest international airports and the primary hub for London. In airport announcements, flight numbers are usually read digit by digit (e.g., 'two-four-seven') for clarity.
中文： 伦敦希思罗机场 (LHR) 是全球最繁忙的国际机场之一，也是伦敦的主要枢纽。在机场广播中，航班编号通常会逐字念出（例如：two-four-seven），以确保清晰准确。
EN： The Future Simple tense (will + base verb) is used here for a formal announcement to indicate an event that is about to happen in the near future.
中文： 未来简单式 (will + 原形动词) 在此用于正式公告，表示即将在不久的将来发生的事件。
The train will arrive at the station in five minutes.
火车将在五分钟后抵达车站。
EN： The word 'shortly' is an adverb of time meaning 'in a short time' or 'soon,' commonly used in professional or travel contexts.
中文： ‘shortly’ 是一个时间副词，意为「很快地」或「不久后」，常用于专业或旅游情境中。
The manager will be with you shortly.
经理很快就会来接待您。
EN： In international airports, announcements are usually structured with the most critical information (action, location, and instruction) delivered clearly to accommodate non-native speakers.
中文： 在国际机场，广播通常结构清晰，将最重要的信息（动作、地点和指示）清楚地传达，以照顾非母语人士。
EN： The verb 'think' is often followed by a noun clause (that-clause) acting as the object. The word 'that' can be omitted in casual conversation.
中文： 动词“think”(认为/觉得) 后面经常接一个名词子句（that 子句）作为宾语。在口语对话中，连接词“that”通常可以省略。
I think (that) the train is coming.
我觉得火车要来了。
EN： The modal verb 'should' is used to indicate a recommendation, obligation, or a wise course of action.
中文： 助动词“should”(应该) 用来表示建议、义务或是明智的做法。
We should check the schedule again.
我们应该再确认一次时间表。
EN： In airports, 'gate' refers to the specific area where passengers wait to board their plane. It is common to use 'should' to politely suggest a necessary action to a travel companion.
中文： 在机场中，“gate”指的是乘客等待登机的特定区域（登机门）。与旅伴同行时，常用“should”来礼貌地建议必须采取的行动。
EN： The causative verb 'let' is followed by an object and the base form of a verb (bare infinitive) to express permission or a suggestion.
中文： 使役动词“let”后面接宾语和原形动词（不带 to 的不定式），用来表示允许或提议。
Let me help you with those heavy bags.
让我帮你提那些重袋子。
EN： The conjunction 'before' introduces a subordinate clause of time. In this context, it indicates an action that will happen after the main action.
中文： 连接词“before”引导时间从句。在此语境中，它表示在主要动作之后将发生的动作。
Please wash your hands before you eat.
吃饭前请先洗手。
EN： In Western travel culture, grabbing a coffee before a flight or during a delay is a very common social habit at airports.
中文： 在西方旅游文化中，在登机前或飞机延误时顺手买杯咖啡是机场里非常普遍的社交习惯。
EN： The verb 'need' is followed by a 'to-infinitive' (to + base verb) when it expresses a requirement or necessity for the subject to perform an action.
中文： 动词“need”后面接“不定式”(to + 原型动词)，用来表达主语有必要执行某个动作。
I need to finish my homework before dinner.
我需要在晚餐前完成我的作业。
EN： The adverb 'too' is typically placed at the end of a sentence to mean 'also' or 'as well'. In this sentence, it is followed by 'quickly' to modify the manner of the action.
中文： 副词“too”通常放在句尾表示“也”。在此句中，它与“quickly”结合，修饰动作的急迫性。
She wants to come along too.
她也想一起来。
EN： In airport settings, passengers often feel a sense of urgency due to boarding times. Using 'too quickly' or 'right away' reflects the fast-paced environment of travel.
中文： 在机场环境中，乘客常因登机时间而感到紧迫。使用“too quickly”或“right away”反映了旅行时节奏快速的情境。
EN： The phrase 'on the way to' is a common prepositional phrase used to describe a location that is situated along the route to a specific destination.
中文： 短语 'on the way to' 是一个常用的介词短语，用来描述位于前往某个特定目的地路途中的地点。
I stopped at a bakery on the way to the office.
我在去办公室的路上在一家面包店停了下来。
EN： Compound nouns like 'duty-free shop' consist of two or more words that function as a single unit. 'Duty-free' acts as an adjective modifying 'shop'.
中文： 复合名词如 'duty-free shop' 由两个或多个单词组成，作为一个整体运作。'Duty-free'（免税）在此作为形容词修饰 'shop'（商店）。
The duty-free allowance is limited to two liters of alcohol.
免税额度限制为两公升酒精。
EN： Duty-free shops are a staple of international travel, allowing passengers to purchase goods without local import taxes. In many airports, these shops are strategically placed along the main walkways to the gates to encourage last-minute shopping.
中文： 免税店是国际旅行的重要组成部分，允许乘客购买无需缴纳当地进口税的商品。在许多机场，这些商店被策略性地安置在通往登机门的主要通道上，以鼓励乘客进行最后时刻的购物。
EN： The imperative structure 'Let's' (contraction of 'Let us') is used to make a suggestion or proposal that includes the speaker and the listener.
中文： 祈使句结构 'Let's'（'Let us' 的缩写）用于提出包含说话者与听者的建议或提议。
Let's grab a cup of coffee before the meeting starts.
我们在会议开始前去喝杯咖啡吧。
EN： Compound adjectives like 'last-minute' are formed by joining two or more words with a hyphen to modify a noun. They describe something done at the latest possible time.
中文： 复合形容词如 'last-minute' 是由两个或多个单词以连字号连接而成，用来修饰名词。它们描述在最后一刻才做的事情。
I had to make a last-minute change to my travel plans.
我不得不对我的旅游计划做出最后时刻的变更。
EN： In airport culture, 'last-minute shopping' often refers to duty-free shopping done after security but before boarding, a common activity for travelers to kill time or buy souvenirs.
中文： 在机场文化中，“最后一刻采买”(last-minute shopping) 通常指通过安检后、登机前的免税店购物，这是旅客打发时间或购买伴手礼的常见活动。
—