EN： The use of 'Welcome to [Place]' followed by a purpose or time modifier like 'for the first time' is a standard formal greeting structure. In academic settings, 'undergraduate' acts as a noun adjunct (a noun modifying another noun) to specify the level of the facility.
中文： 「Welcome to [地点]」后接时间修饰语（如 for the first time）是标准的正式欢迎句式。在学术语境中，「undergraduate」（本科）作为名词修饰语，用来明确该设施的层级。
Welcome to the international conference for the first time.
欢迎第一次参加这场国际会议。
EN： The phrase 'for the first time' functions as an adverbial of frequency/time, typically placed at the end of the sentence to emphasize the novelty of the experience.
中文： 短语「for the first time」作为时间状语，通常放在句尾，用以强调该经验的新鲜感或初次发生的性质。
He visited the research center for the first time yesterday.
他昨天第一次参观了该研究中心。
EN： In Western academic culture, professors often greet students by their first names to create a welcoming yet professional environment, while students typically address professors by their title and last name (e.g., Professor James).
中文： 在西方學術文化中，教授通常直呼學生的名字以營造親切且專業的氛圍；而學生通常會以職稱加姓氏（如 Professor James）來稱呼教授，以示尊重。
EN： The correlative conjunction 'both... and...' is used to emphasize that two qualities or facts are equally true. In C1 level usage, it often links sophisticated adjectives to express complex emotional states.
中文： 关联连词「both... and...」用于强调两个特质或事实同样属实。在 C1 级别的用法中，它常用于连接复杂的形容词，以表达细腻的情绪状态。
The new policy is both economically sound and socially responsible.
这项新政策既符合经济效益，又具备社会责任。
EN： The verb 'admit' followed by an infinitive phrase ('to admit') often functions as a pragmatic marker to signal honesty or vulnerability, setting a sincere tone for the conversation.
中文： 动词「admit」后接不定式短语（to admit）常作为语用标记，用以传达诚实或坦白的态度，为对话奠定真诚的基调。
I have to admit, I didn't expect the project to be this successful.
我必须承认，我没料到这个项目会这么成功。
EN： The past participle 'intimidated' functions as an adjective describing the subject's feeling. The preposition 'by' is used to introduce the agent or cause of that feeling.
中文： 过去分词「intimidated」在此作为形容词，描述主语的感受。介词「by」则用来引导产生该感受的施动者或原因。
She was intimidated by the sheer volume of data she had to analyze.
她被自己必须分析的海量数据给吓到了。
EN： In academic settings, addressing a professor by their title ('Professor') is standard and shows respect. Hana's admission of being 'intimidated' is a common way to build rapport through humility, which is often well-received by mentors in Western academic culture.
中文： 在學術環境中，稱呼教授為「Professor」是標準做法且展現尊重。Hana 承認自己感到「畏縮」是一種透過謙遜建立關係的常見方式，這在西方學術文化中通常會受到導師的正面回應。
EN： Inversion in conditional sentences (Second Conditional): When using 'were' in a hypothetical condition, the 'if' can be omitted by placing 'were' before the subject. This structure is more formal and sophisticated than 'If you were to...'.
中文： 条件句中的倒装（第二类条件句）：在假设性条件中使用 'were' 时，可以省略 'if' 并将 'were' 置于主语之前。这种结构比 'If you were to...' 更正式且更具修辞美感。
Were he to resign now, the company would face a major crisis.
如果他现在辞职，公司将面临重大危机。
EN： The use of 'would' for hypothetical consequences: In the main clause of a second conditional, 'would' (or its contraction 'd') is used to describe the result of an unlikely or imaginary situation.
中文： 使用 'would' 表示假设性的结果：在第二类条件句的主句中，使用 'would'（或其缩写 'd'）来描述一个不太可能发生或想象情况下的结果。
I'd be surprised if they finished the project on time.
如果他们能准时完成这个项目，我会感到惊讶。
EN： In academic and professional settings, using inverted conditionals like 'Were you to...' conveys a high level of formality and intellectual rigor. It is common in lectures or when a superior (like a professor) is giving serious advice.
中文： 在學術和專業場合中，使用像 'Were you to...' 這樣的倒裝條件句傳達了高度的正式感和嚴謹性。這在講座或上級（如教授）給予嚴肅建議時非常常見。
EN： 'Fair point' is an elliptical expression (shortened from 'That is a fair point') used in conversation to acknowledge the validity of an opponent's or speaker's argument without necessarily agreeing with their entire position.
中文： 「Fair point」是一个省略表达（原为「That is a fair point」），在对话中用于承认对方论点的合理性，但不一定代表完全同意对方的全部立场。
Fair point, but we still need to consider the budget constraints.
说得有理，但我们仍需考虑预算限制。
EN： The use of 'So' as a discourse marker at the beginning of a sentence serves to transition the conversation toward a new phase or to initiate a specific inquiry based on the current context.
中文： 在句首使用「So」作为话语标记（discourse marker），其作用是将对话过渡到新阶段，或根据当前语境发起具体的询问。
So, what's the next step in our plan?
那么，我们计划的下一步是什么？
EN： In academic and professional English, 'Fair point' is a polite way to concede a point during a discussion. It shows that you are listening and respect the other person's expertise, which is crucial in a mentor-student relationship like the one between Hana and the Professor.
中文： 在學術和專業英語中，「Fair point」是在討論中禮貌地承認對方觀點的一種方式。這顯示出你正在傾聽並尊重對方的專業知識，這在像 Hana 和教授這樣的師生關係中至關重要。
EN： The phrase 'First and foremost' is an idiomatic fixed expression used to emphasize that the following point is the most important among several. It is common in formal speeches and academic contexts.
中文： 短语「First and foremost」是一个惯用固定表达方式，用于强调在多个事项中，接下来要说的一点是最重要的。常见于正式演讲和学术语境中。
First and foremost, we must ensure the data is accurate before publishing the report.
首先，在发布报告之前，我们必须确保数据的准确性。
EN： The verb 'let' is a causative verb followed by an object and a bare infinitive (verb without 'to'). In this context, it is used as a polite way to introduce a planned action or to offer information.
中文： 动词「let」是一个使役动词，后接宾语和原形不定式（不带 to 的动词）。在此语境下，它被用作一种礼貌的方式来引出计划中的行动或提供信息。
Let me explain the reasoning behind this decision.
让我解释一下这个决定背后的理据。
EN： The relative clause 'that govern everything we do here' uses the verb 'govern' to mean 'to control or influence the way something happens'. Note that 'everything we do here' contains a reduced relative clause where 'that/which' is omitted.
中文： 关系从句「that govern everything we do here」使用动词「govern」来表示「控制或影响某事发生的方式」。请注意，「everything we do here」包含一个省略了「that/which」的简化关系从句。
The laws that govern international trade are complex.
规范国际贸易的法律非常复杂。
EN： In academic and professional settings, using structured phrases like 'First and foremost' helps establish a clear hierarchy of information, which is a hallmark of Western formal communication styles.
中文： 在學術和專業場合，使用如「First and foremost」這類結構化短語有助於建立清晰的信息層級，這是西方正式溝通風格的一個顯著特徵。
EN： The verb 'suppose' is used here as a hedging device to express a belief or opinion with a degree of uncertainty or politeness, common in academic and professional registers.
中文： 动词「suppose」在此作为一种修饰语（hedging device），用来表达带有一定程度不确定性或礼貌性的观点，这在学术和专业语境中非常常见。
I suppose we should double-check the results before publishing.
我想我们在发布之前应该再次核对结果。
EN： The adjective 'hands-on' is a compound modifier meaning involving direct practical experience rather than theoretical study.
中文： 形容词「hands-on」是一个复合修饰语，意思是「实际动手操作的」或「亲身实践的」，强调直接的实践经验而不仅仅是理论研究。
The course provides hands-on training in digital marketing.
这门课程提供数字营销的实践培训。
EN： The word 'indispensable' is a high-level synonym for 'essential' or 'necessary', used to describe something that is absolutely necessary and cannot be replaced.
中文： 「indispensable」是「essential」或「necessary」的高级同义词，用来描述某事物是绝对必要且不可或缺、无法替代的。
A reliable internet connection is indispensable for remote work.
稳定的网络连接对于远程工作是不可或缺的。
EN： In academic and scientific environments, students are expected to be proactive (reading the handbook beforehand) while acknowledging the authority and necessity of expert supervision (guidance is indispensable). This shows a balance of independence and respect.
中文： 在學術和科學環境中，學生被期望展現主動性（預先閱讀手冊），同時承認專家監督的權威與必要性（指導是不可或缺的）。這展現了獨立性與尊重之間的平衡。
EN： Negative Inversion: When a negative adverbial phrase (like 'Under no circumstances') starts a sentence for emphasis, the auxiliary verb (should) must come before the subject (you).
中文： 否定倒装句：当否定副词短语（如 'Under no circumstances'）置于句首以示强调时，助动词（should）必须置于主语（you）之前。
Under no circumstances should you leave the laboratory door unlocked.
在任何情况下，你都不应让实验室的门不锁。
EN： Double Negative for Obligation: Using 'without' after a negative command (should not... without) creates a strong requirement, implying that the two actions must happen together.
中文： 双重否定表示义务：在否定命令后使用 'without'（不应...而不...）会产生强烈的要求，暗示这两项动作必须同时发生。
You must not enter the construction site without wearing a hard hat.
未佩戴安全帽不得进入施工现场。
EN： In academic and professional laboratory settings, the register is highly formal and safety-oriented. Using structures like 'Under no circumstances' emphasizes the non-negotiable nature of safety protocols, reflecting a culture of strict compliance to prevent liability and injury.
中文： 在學術和專業實驗室環境中，語體非常正式且以安全為導向。使用如 'Under no circumstances' 這樣的結構強調了安全協定是不可協商的，反映了為了防止責任和傷害而嚴格遵守規範的文化。
EN： The use of 'those' as a demonstrative pronoun refers back to 'fume hoods' in a plural sense, even though the previous question used the singular 'the fume hood'. This shift occurs because the speaker is referring to the general category of such devices they have seen across multiple videos.
中文： 指示代词「those」的使用。虽然前句使用的是单数「the fume hood」，但这里切换为复数「those」，是因为说话者指的是在不同视频中看过的「那一类」设备，而非特定的某一个。
I like the design of this smartphone, but those in the display case look more durable.
我喜欢这款智能手机的设计，但展示柜里的那些看起来更耐用。
EN： The present perfect tense ('have seen') combined with the past participle ('used') in a contrastive structure. The ellipsis of 'have' before 'never used' is common in informal speech when the subject and auxiliary verb remain the same.
中文： 现在完成时（have seen）与过去分词（used）的对照用法。在非正式口语中，当主语与助动词相同时，第二个动词前的「have」常被省略（即 I have... but [have] never used...）。
I've visited Paris many times but never climbed the Eiffel Tower.
我去过巴黎很多次，但从未爬过埃菲尔铁塔。
EN： In a laboratory setting, admitting lack of experience with equipment (like a fume hood) is highly encouraged for safety reasons. The phrase 'Got it' is a common, informal way to acknowledge instructions in North American English, showing a proactive and cooperative attitude.
中文： 在實驗室環境中，出於安全考慮，誠實承認對設備（如排煙櫃）缺乏經驗是非常受鼓勵的。短語「Got it」在北美英語中是確認指令的常用非正式方式，展現了積極合作的態度。
EN： The conjunction 'so that' (often followed by 'can', 'could', 'will', or 'would') is used to express purpose or result. In formal scientific contexts, it explains the functional objective of a mechanism.
中文： 连词「so that」（后方常接 can, could, will 或 would）用于表达目的或结果。在正式的科学语境中，它用来解释某种机制的功能目标。
The laboratory is kept at a constant temperature so that the chemical reactions remain stable.
实验室保持在恒温状态，以便化学反应保持稳定。
EN： The passive construction 'be exposed to' is used to describe a state where someone is subjected to an external influence or substance, often something harmful.
中文： 被动结构「be exposed to」用于描述某人受到外部影响或物质作用的状态，通常是指有害的事物。
Staff must ensure they are not exposed to high levels of radiation.
工作人员必须确保自己不会暴露在高剂量的辐射中。
EN： In academic and professional laboratory settings, the use of precise terminology (e.g., 'extracts' instead of 'takes out') is essential for clarity and safety. The 'fume hood' is a standard safety device in chemistry labs worldwide.
中文： 在學術和專業實驗室環境中，使用精確的術語（例如用 'extracts' 而非 'takes out'）對於清晰度和安全性至關重要。「排煙櫃」(fume hood) 是全球化學實驗室中的標準安全設備。
EN： The phrase 'if I may ask' is a polite parenthetical expression used to soften a direct question, especially when addressing someone of higher status or in a formal setting. It functions as a conditional clause that acknowledges the speaker's potential intrusion.
中文： 短语「if I may ask」是一个礼貌性的插入语，用于缓和直接提问的语气，特别是在面对地位较高的人或正式场合时。它作为一个条件从句，表达了说话者意识到提问可能带来的冒昧。
What is the reason for this sudden change in policy, if I may ask?
如果可以请问的话，这项政策突然改变的原因是什么？
EN： The present continuous tense ('are we conducting') is used here to refer to a planned future action or an activity that is about to commence immediately. This is common in professional or academic contexts to discuss scheduled tasks.
中文： 现在进行时（are we conducting）在此处用于指代已计划好的未来行动，或即将开始的活动。这在专业或学术背景中讨论预定任务时非常常见。
Which software are we using for the presentation tomorrow?
明天的简报我们将使用哪款软件？
EN： In academic and professional English, using 'if I may ask' or 'if you don't mind me asking' demonstrates respect for the hierarchy and the other person's time. It is a hallmark of 'hedging' in polite conversation.
中文： 在學術和專業英語中，使用「if I may ask」或「if you don't mind me asking」展現了對等級制度和對方時間的尊重。這是禮貌對話中「委婉語 (hedging)」的典型特徵。
EN： The Future Continuous tense ('will be' + present participle) is used here to describe an action that will be in progress at a specific time in the future. In a professional or academic context, it often sounds more polite or certain than the simple future, suggesting a planned schedule.
中文： 将来进行时（will be + 现在分词）在此用于描述未来某个特定时间点将进行的动作。在专业或学术语境中，这通常比一般将来时听起来更礼貌或更具确定性，暗示这是既定的计划行程。
We will be conducting the survey throughout the next semester.
我们将在下个学期期间进行这项调查。
EN： The preposition 'between' is used to specify the relationship or interaction involving two distinct entities (zinc and hydrochloric acid). In scientific English, it is the standard way to introduce reactants in a chemical process.
中文： 介词「between」用于指定涉及两个不同实体（锌与盐酸）之间的关系或互动。在科学英语中，这是介绍化学过程中反应物的标准方式。
The bond between hydrogen and oxygen is covalent.
氢与氧之间的键结是共价键。
EN： In academic and scientific settings, precision in terminology is crucial. Using the full names of chemicals (e.g., 'hydrochloric acid' instead of just 'acid') and specific terms like 'reaction rate' reflects the rigorous nature of laboratory protocols.
中文： 在學術與科學環境中，術語的精確性至關重要。使用化學物質的全名（例如使用「hydrochloric acid」而非僅稱「acid」）以及「reaction rate」（反應速率）等特定術語，體現了實驗室規範的嚴謹性。
EN： The adverb 'actually' is used here as an intensifier to signal a surprising or contrasting fact, often used in academic or professional settings to add depth to a personal contribution to the conversation.
中文： 副词「actually」在此作为强调词，用以引出令人惊讶或具对比性的事实。在学术或专业语境中，常用来为对话增添具深度的个人见解或经历。
I actually found the complex equations quite intuitive after the lecture.
听完讲座后，我竟然觉得这些复杂的方程式相当直观。
EN： The verb 'debate' can be used transitively (debate something) or intransitively with 'with'. In this context, it implies a formal or structured discussion of opposing points of view rather than a simple argument.
中文： 动词「debate」可作为及物动词（辩论某事）或与「with」连用的不及物动词。在此语境下，它暗示了一场针对不同观点进行的正式或有结构的讨论，而非单纯的争吵。
The committee debated the ethical implications of the new research for hours.
委员会针对这项新研究的伦理影响进行了数小时的辩论。
EN： In Western academic culture, students are often encouraged to 'debate' or 'challenge' concepts with their teachers. This is seen as a sign of critical thinking and deep engagement with the subject matter, rather than a sign of disrespect.
中文： 在西方學術文化中，學生常被鼓勵與老師「辯論」或「質疑」概念。這被視為具備批判性思考且對學科深度投入的表現，而非不尊重的行為。
EN： The use of 'as' followed by a past participle (indicated) functions as a reduced relative clause or a subordinating conjunction of manner, meaning 'in the way that'. It is common in formal instructions to refer to established guidelines.
中文： 使用 'as' 后接过去分词（indicated）作为方式从句的简化形式，意为「按照...所指示的方式」。这在正式指令中常用于引用已建立的准则或规定。
Please complete the form as shown in the sample provided.
请按照所提供的示例填写表格。
EN： The imperative mood ('set up') is used here to give a direct instruction. In a professional or academic setting, it is often preceded by 'Now' or 'Excellent' to transition from praise to the next task without sounding overly aggressive.
中文： 祈使句（set up）在此用于给予直接指令。在专业或学术环境中，通常会在前面加上 'Now' 或 'Excellent'，以便从称赞过渡到下一个任务，而不会显得过于咄咄逼人。
Now, analyze the data carefully before drawing a conclusion.
现在，在得出结论之前，请仔细分析数据。
EN： In a laboratory setting, 'bench' refers specifically to the heavy-duty work table where experiments are conducted, not a park bench. The tone used by the professor is 'mentoring'—authoritative yet encouraging, which is typical in academic research environments.
中文： 在實驗室語境中，'bench' 特指進行實驗的重型工作檯（實驗桌），而非公園長椅。教授使用的語氣是「導師式」的——既有權威性又具鼓勵性，這是學術研究環境中的典型特徵。
EN： The causative verb 'let' is followed by an object and a bare infinitive (verb without 'to'). It is commonly used to express permission or, as in this case, a self-directed suggestion or intention.
中文： 使役动词 'let' 后接宾语和原形不定式（不带 'to' 的动词）。它常用于表达许可，或如本句中，用于表达自我建议或意图。
Let me confirm the reservation before we leave.
在我们出发前让我确认一下预约。
EN： The use of 'a' before specific laboratory equipment serves as a count noun marker. In scientific contexts, precision in naming items (e.g., 'conical flask' vs. 'beaker') is essential for clarity and safety.
中文： 在特定的实验设备前使用 'a' 作为可数名词标记。在科学语境中，精确命名物品（例如：'圆底烧瓶' 与 '烧杯'）对于清晰度和安全性至关重要。
Please pass me a graduated pipette.
请递给我一支刻度吸管。
EN： The question 'Is that everything?' is a fixed idiomatic expression used to verify if a list is complete or if all necessary tasks/items have been addressed.
中文： 'Is that everything?' 是一个固定的惯用语，用于确认清单是否完整，或者是否所有必要的任务/物品都已处理完毕。
I've packed the tent, the sleeping bags, and the stove. Is that everything?
我已经打包了帐篷、睡袋和炉子。就这些了吗？
EN： In academic and professional STEM environments, precision is a cultural value. Using the exact names for equipment (like 'conical flask' instead of just 'bottle') demonstrates competence and adherence to safety standards.
中文： 在學術和專業的 STEM（科學、技術、工程、數學）環境中，精確性是一種文化價值。使用設備的確切名稱（如 'conical flask' 而不僅僅是 'bottle'）展現了專業能力和對安全標準的遵守。
EN： The sentence uses 'Should' at the beginning to form a conditional clause (Inversion in First Conditional). This is a formal alternative to 'If you should notice' or 'If you notice', often used in professional or academic instructions to express a possibility.
中文： 句首使用 'Should' 引导条件从句（第一类条件句的倒装）。这是 'If you should notice' 或 'If you notice' 的正式替代写法，常用于专业或学术指令中，用以表达某种可能发生的情况。
Should you require further assistance, please do not hesitate to contact our department.
若您需要进一步的协助，请随时与我们部门联系。
EN： The word 'irregularities' functions as the direct object of the verb 'notice'. In a scientific context, it refers to deviations from the expected norm or standard results.
中文： 单词 'irregularities' 作为动词 'notice' 的直接宾语。在科学语境中，它指代偏离预期常态或标准结果的异常现象。
The technician identified several irregularities in the data set.
技术员在数据集中发现了几处异常。
EN： In academic and scientific settings, maintaining a 'logbook' is a legal and ethical requirement. It serves as a permanent record of observations, ensuring that data can be verified by others. The use of formal language like 'Should you...' reflects the serious nature of laboratory protocols.
中文： 在學術和科學環境中，維持「實驗日誌」(logbook) 是法律和倫理上的要求。它是觀察結果的永久記錄，確保數據可以被他人驗證。使用如 'Should you...' 這樣的正式語言反映了實驗室規範的嚴肅性。
EN： The phrase 'Will do' is an elliptical expression common in spoken English, where the subject 'I' is omitted. It functions as a concise way to confirm agreement or commitment to a request.
中文： 「Will do」是口语中常见的省略表达方式，省略了主语「I」。这是一种简洁确认同意或承诺执行某项要求的方式。
A: Could you send me the file? B: Will do.
A：你能把文件发给我吗？ B：没问题，我会处理。
EN： 'Provided that' is a formal subordinating conjunction used to express a condition. It is synonymous with 'if' or 'on the condition that', but carries a more precise, often contractual or procedural tone.
中文： 「Provided that」是一个正式的从属连词，用于表达条件。它与「if」或「on the condition that」同义，但带有一种更精确、通常是契约或程序上的语气。
You may borrow the car, provided that you return it by midnight.
你可以借这辆车，前提是你必须在午夜前归还。
EN： In academic and scientific settings, intellectual property and safety protocols are strictly enforced. Asking for permission to take photos ('provided that's permitted') demonstrates professional etiquette and respect for laboratory rules, which may prohibit photography due to sensitive research or safety concerns.
中文： 在學術和科學環境中，知識產權和安全協議受到嚴格執行。詢問是否允許拍照（'provided that's permitted'）展現了專業禮儀以及對實驗室規則的尊重，因為某些實驗室可能因研究敏感性或安全考量而禁止攝影。
EN： The phrase 'By all means' is a polite and emphatic way to give permission or express agreement, often used in formal or semi-formal registers to encourage the listener.
中文： 短语「By all means」是一种礼貌且强调的方式，用于给予许可或表示同意。通常用于正式或半正式场合，以鼓励听者。
If you have any further questions, please contact me by all means.
如果您有任何进一步的问题，请务必与我联系。
EN： The conjunction 'once' is used to mean 'as soon as' or 'after'. In this context, it introduces a time clause using the present perfect tense ('have obtained') to emphasize the completion of an action before the main instruction.
中文： 连词「once」的意思是「一旦」或「一...就...」。在此语境中，它引导一个时间从句，并使用现在完成时（have obtained）来强调在执行主要指令之前必须完成的动作。
Once you have signed the contract, we can proceed with the project.
一旦你签署了合同，我们就可以开始进行该项目。
EN： The imperative mood ('compare') is used here to give a direct instruction. It is followed by the preposition 'with' to indicate the two items being evaluated against each other.
中文： 祈使句（compare）在此用于给予直接指令。后面接介词「with」，用以表示相互评估的两个项目。
Compare the original document with the translated version to ensure accuracy.
将原始文件与翻译版本进行比较，以确保准确性。
EN： In academic and professional settings, 'By all means' is a common way for a superior (like a professor) to encourage a subordinate's initiative (like taking photos for a report). It sounds more supportive and formal than just saying 'Yes' or 'Sure'.
中文： 在學術和專業場合中，「By all means」是上級（如教授）鼓勵下級（如學生）採取主動行為（如為報告拍照）的常用方式。這聽起來比單純說「Yes」或「Sure」更具支持性且更正式。
EN： The phrase 'What if' is used to introduce a hypothetical situation, often expressing concern, curiosity, or a request for guidance on a potential future problem.
中文： 「What if」句型用于引入假设性的情况，通常表达担忧、好奇或针对潜在问题寻求指导。
What if the flight is delayed and we miss our connection?
如果航班延误导致我们错过转机该怎么办？
EN： The verb 'deviate' is a formal term often used in scientific or statistical contexts to describe a departure from a standard, norm, or expected path, typically followed by the preposition 'from'.
中文： 动词「deviate」是一个正式用语，常用于科学或统计背景，描述偏离标准、常态或预期路径，通常后接介词「from」。
The final product must not deviate from the original design specifications.
最终产品绝不能偏离原始设计规范。
EN： The past tense 'anticipated' is used here within a relative clause to refer to an expectation formed prior to the current moment of observation.
中文： 此处使用过去式「anticipated」于关系从句中，指代在当前观察时刻之前所形成的预期。
The turnout for the event was much higher than the organizers had anticipated.
活动的出勤人数远高于主办方的预期。
EN： In academic and scientific settings, questioning potential errors or unexpected outcomes is highly valued. It demonstrates critical thinking and a proactive approach to the scientific method rather than a fear of failure.
中文： 在學術與科學環境中，質疑潛在錯誤或意外結果是被高度重視的。這展現了批判性思考以及對科學方法的主動態度，而非對失敗的恐懼。
EN： Negative Inversion with 'Not only': When 'not only' starts a clause, the auxiliary verb (do/does/did) or modal verb must precede the subject, creating a question-like word order for emphasis.
中文： 否定倒装句：当 'Not only' 置于句首时，助动词（如 does）或情态动词必须移至主语之前，形成类似疑问句的语序，用以加强语气。
Not only did he complete the project early, but he also exceeded the performance targets.
他不仅提前完成了项目，还超越了绩效目标。
EN： The correlative conjunction 'Not only... but (also)': This structure connects two parallel clauses or phrases. In formal academic contexts, 'also' is sometimes omitted or replaced by 'as well' at the end of the sentence.
中文： 并列连词 'Not only... but (also)'：此结构连接两个并列的从句或短语。在正式学术语境中，'also' 有时会省略，或在句尾改用 'as well'。
The study not only identifies the cause of the disease but suggests potential treatments.
这项研究不仅找出了疾病的原因，还提出了潜在的治疗方法。
EN： In scientific discourse, 'discrepancy' and 'hypothesis' are key terms. The professor's attitude reflects the 'Scientific Method' culture, where unexpected results are not seen as failures but as essential data for refining theories.
中文： 在科學論述中，「discrepancy」(差異) 和 「hypothesis」(假設) 是核心術語。教授的態度反映了「科學方法」的文化精神：出乎意料的結果不被視為失敗，而是完善理論不可或缺的數據。
EN： The comparative structure 'as much about A as (about) B' is used to emphasize that two things are equally important, or to shift focus to the first element (A) as being just as significant as the more obvious second element (B).
中文： 比较结构「as much about A as (about) B」用于强调两件事物同样重要，或者用来指出第一项（A）与显而易见的第二项（B）具有同等的重要性。
Leadership is as much about listening as it is about giving orders.
领导力与其说是下达命令，不如说是倾听。
EN： The verb 'suppose' is used here to express a tentative belief or a conclusion reached based on the evidence provided in the conversation. It conveys a reflective and slightly formal register.
中文： 动词「suppose」在此处用于表达一种初步的看法或根据对话中的证据得出的结论。它传达出一种沉思且略微正式的语气。
I suppose we should reconsider our initial strategy.
我想我们应该重新考虑最初的策略。
EN： Gerunds (embracing, celebrating) are used after the preposition 'about' to function as nouns, describing the core essence or activities of a subject.
中文： 动名词（embracing, celebrating）用在介词「about」之后作为名词使用，用来描述主体的核心本质或活动。
Life is about taking risks and learning from them.
生活就是关于冒险并从中学习。
EN： In Western scientific culture, failure is often viewed as a necessary stepping stone to discovery rather than a personal shortcoming. This sentence reflects the 'growth mindset' prevalent in modern academic and professional environments.
中文： 在西方科學文化中，失敗通常被視為通往發現的必要階梯，而非個人缺點。這句話反映了現代學術和專業環境中盛行的「成長型思維」。
EN： The structure 'couldn't have + past participle' is used to express that something was already done to the highest possible degree or that a better outcome was impossible. It is a common way to show strong agreement.
中文： 「couldn't have + 过去分词」结构用于表达某事已经达到最高程度，或者不可能有更好的结果。这是一种表达强烈赞同的常用方式。
I couldn't have finished the project without your help.
如果没有你的帮助，我不可能完成这个项目。
EN： The tag question 'shall we?' is used after 'let's' to make a suggestion sound more polite, inclusive, or to seek confirmation from the listener.
中文： 附加疑问句「shall we?」接在「let's」之后，使建议听起来更礼貌、更具包容性，或用以寻求对方的确认。
Let's take a break, shall we?
我们休息一下，好吗？
EN： In academic or professional settings, using 'shall we?' instead of a direct command is a way to soften the tone and show that the speaker values the other person's participation, reflecting a collaborative spirit.
中文： 在學術或專業場合中，使用「shall we?」而非直接命令，是一種緩和語氣的方式，顯示說話者重視對方的參與，體現了合作精神。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 感到畏缩或胆怯的
在本文中： 内在的、固有的
在本文中： 不可或缺的
在本文中： 抽出、排出（此处指抽走气体）
在本文中： 科学假设
在本文中： 动力学
在本文中： 异常现象、不规则情况
在本文中： 偏离、背离
在本文中： 差异、不一致之处
在本文中： 欣然接受、乐于采纳
片语包含类型标示、双语定义、用法说明和例句。
Most importantly; more than anything else.
首先且最重要的是
Never; used to emphasize that something should not happen.
绝不、在任何情况下都不
To prepare or arrange something for use.
设置、架设、准备
Of course; used to give permission or encouragement.
当然可以、尽管（做某事）
Used to express complete agreement with what someone has just said.
我完全同意、说得再好不过了
A ventilated enclosure in a laboratory, in which harmful volatile chemicals can be used or kept to prevent the inhalation of toxic vapors.
通风橱 / 排风柜
A long, sturdy work table used for scientific research, experiments, or manual work in a laboratory.
实验台 / 工作台
A piece of laboratory glassware with a flat bottom, a conical body, and a cylindrical neck, also known as an Erlenmeyer flask.
锥形瓶 / 三角瓶
A common piece of laboratory equipment used to measure the volume of a liquid, characterized by its narrow, cylindrical shape and marked graduations.
量筒
The branch of physical chemistry that is concerned with understanding the rates of chemical reactions.
反应动力学