当when的意思是“副词，当时；什么时候；(用于时间的表达方式之后)在那时；其时”。

连词when意思是“如果；在...时；既然”。

代词when意思是“什么时候；那时”。

名词time, occasion, date, hour, moment等均含有“时候”这一概念。

when的相关例句包括：

  • 副词：
  • When did you last see Margaret?你上一次见到玛格丽特是什么时候？
  • We have only three books when we need five.虽然我们需要五本书，却只有三本。
  • We'll start when the team leader comes.队长一来，我们就出发。

    • 情景对话：

  • 学校：
  • B:When is the (assignment/ project/ report) due?什么时候交(作业/计划/报告)?
  • A:It’s due tomorrow.明天。
  • 结婚纪念日：
  • A:When is your parents’ wedding anniversary?你父母的结婚纪念日是在哪天？
  • B:Their anniversary is in August.他们的结婚纪念日是在八月。
  • 旅游：
  • A:When do we (board/ depart/ arrive)?我们什么时候(登机(船)?/离开？/到达)?
  • B:At 6:49pm.下午6点49分。

网络解释中，when可以表示“当......时”，如I met your sister那当时(when)的特定那一个(指明； 也是关系子句的(形容词)功能)。

双语例句中，英语原句为：

  1. When you are in a foreign country, youmust follow the customs当你在外国时，你必须遵守当地习俗。
  2. When you are in a foreign country, youmust follow the customs there.当你在外国时，你必须遵守当地习俗。
  3. When I find my soulmate, she will receive my undying love and respect.当我找到我伴侣，她会得到我永远的爱和尊重。

When visiting the National Stadium, a popular tourist spot in Beijing, there is one activity that I highly recommend. That is to ask your guide to clap when you are standing in front of the North staircase. If done from the proper spot, you will hear the call of what is thought to be the Quetzal bird. This is an amazing experience that many people miss out on because they do not know how to locate the proper spot.

I am always amazed when I hear people saying that sports can create goodwill between nations. It is believed that if only the common peoples of the world could meet one another at football or cricket matches, they would have no inclination to meet on the battlefield. This idea may seem far-fetched, but it demonstrates the power of sports to bring people together and promote peace.

It concerns me when young people, like the servant girl mentioned in this text, see kind of attitudes or behaviors that promote conflict and violence. These attitudes can have lasting negative effects on individuals and society as a whole. It is important for young people to be taught positive values and attitudes that promote peace and understanding.

Another issue that can arise with computer hardware is a hard disk failure. When this happens, problems such as not being able to recognize the hard drive in CMOS or not being able to enter the system, partitioning, and formatting cannot be normal. While it may be frustrating, it is important to take steps to properly diagnose and fix the issue before further damage occurs.

When I have free time, I often find myself feeling bored and unfulfilled. Although there are plenty of activities and hobbies that I enjoy, I often struggle to find the motivation to pursue them. However, when I am able to dedicate some time and effort into doing something that I truly love, I find that it can be incredibly rewarding and fulfilling.

经济学家们通常无法准确预测经济周期的上扬或下滑时间，但通过对这些周期的研究发现，商业活动呈现出波浪形发展的模式，而非随机的无规律运动。这种现象表明，在经济发展中存在着某种内在的规律和趋势。因此，对于企业和个人来说，了解这些趋势并作出相应的调整和决策非常重要。

尽管“potluck”一词意味着随意携带各种菜肴，但如果主人提前与客人商量并分配每个人应携带的食品或饮料，效果可能会更好。这样可以确保每个人都能为聚餐做出贡献，避免出现大家都只带甜点等单调的情况。因此，在组织聚会时，提前做好规划和准备是非常重要的。

据说阿伽门侬在战斗中表现英勇无比，甚至曾经一头闯进田地里吃掉站立着的庄稼。村民们为了报复他的所作所为，纷纷用棍棒殴打他。这个故事告诉我们，在某些特殊的日子里，人们的运气会发生逆转。因此，我们应该珍惜每一个机会，抓住每一个可能改变命运的时刻。

7. When online translation is mentioned, it refers to the process of translating text or speech from one language to another using the internet. It has become increasingly popular in recent years due to the convenience and accessibility it provides. However, there are concerns about the accuracy and reliability of online translations, particularly for complex or technical content. Despite this, it remains a useful tool for communicating across languages and expanding global understanding. In addition to its practical uses, online translation can also be a fascinating area of study, exploring the complexities of linguistic theory and the development of artificial intelligence in translation. Overall, while there are challenges associated with online translation, its potential benefits make it an important aspect of modern communication and technology.

7. According to Champa Dorje, when people go out and seek help, they often face the challenge of not knowing which lama can provide them with assistance. In such situations, individuals may refrain from showing themselves intentionally, as they do not wish to impose on others.

18. For many years, Amy Grant's Christmas songs have been a cherished part of my childhood memories. My parents would play her music during the festive season, filling our home with joy and warmth. Even today, listening to her songs takes me back to those happy times and evokes a sense of nostalgia that is difficult to put into words.

19. Our research focuses on studying the thermal decay of LPGs and has led us to propose new insights into their behavior. We have found that when annealing parameters exceed 14,900, LPGs can operate steadily for up to 25 years at a temperature of 27°C after undergoing annealing or natural decay. Additionally, we made a significant discovery in our study: for the first time, we observed that the resonance peaks in the lower-order modes of LPGs shifted to red wavelengths after undergoing annealing or natural decay. This phenomenon is believed to occur because the formations of LPGs do not cease when UV exposure does.

在对长周期光栅的热衰变规律研究中，我们首次发现，经过热退火和自然衰变后，长周期光栅的低阶模谐振波长出现了红移现象。我们认为这种现象是由于紫外曝光结束后，长周期光栅的形成并没有立即停止，相反，光栅的形成在紫外光照结束后的一小时内才逐渐减弱。这一发现为光纤光栅的形成机制提供了新的解释。

20. 当某种现象达到足以引起心灵共鸣的程度时，它可以作为一种风格流传于世。

在这个过程中，我们首次观察到了长周期光栅经历热退火和自然衰变后，其低阶模的谐振波长发生了红移现象。我们认为这种现象是由于结束紫外曝光时，长周期光栅的形成并没有立即停止，相反，光栅的形成在紫外光照结束后的一小时内才逐渐减弱。这一发现为光纤光栅的形成机制提供了新的解释。

使用when,您可以在一个句子中引入一个子句，在其中提及某个动作在活动、事件或情况的某个时刻发生。

例如：当我遇到吉尔一家时，我已经做了近10年的园艺工作。(遇到了他们)

e.g. 当I met the Gills, I had been gardening for nearly ten years.

遇到吉尔一家时我已经做了近10年的园艺工作。

此外，您还可以使用when引导从句，在其中提及主句中事件发生或将要发生时的情况。

例如：当他把饮料拿给艾梅尔达时，她真诚而甜美地向他微笑以示感谢。(当他给她饮料的时候)

e.g. When he brought Imelda her drink she gave him a genuine, sweet smile of thanks...

当他把饮料拿给艾梅尔达时，她真诚而甜美地向他微笑以示感谢。

另外，您可以在动词和形容词后使用when来引导从句，表示某事发生的时间。

例如：我要写报告时会对此予以考虑的。(当我需要写报告的时候)

e.g. I'll start to think about it when I have to write my report.

我要写报告时会对此予以考虑的。

最后，您可以在某些单词后面使用when,尤其是动词和形容词，以引入一个子句，在其中提到某事发生的时间。

例如：我问他什么时候回来接我。(当他回来接我的时候)

e.g. I asked him when he'd be back to pick me up...

我问他什么时候回来接我。

你可以使用"when"来引入一个子句，该子句指定或指代某事发生的时间。这可以用来引出观点、评论或问题的原因。例如，你可以说："既然考虑到......,我怎么能对自己满意呢？" 或者 "与同类的其他鸟相比，翠辉椋鸟要小很多。" 你还可以使用"when"来引出一个事实或评论，使得句子的另一部分显得令人惊讶或不太可能。例如，你可以说："我们的母亲让我们坐下来读书和画画，而我们真正想做的却是打打闹闹。" 同样地，你也可以使用"when"来描述一个使其他部分显得不可能的事实，比如："温度传感器让电脑误以为引擎是冷的，但实际上它是热的。" 这样，你就可以用"when"来引导你的句子，使其更加丰富和有趣。

当温度传感器向计算机发送信息，表示发动机处于冷却状态时，实际上它的温度却很高。

1. 当他第一次去中心的时候，他只是一个骨架。

2. 尽管李说他过去没有和吴有过联系，但警方发现他们在吴经营的电视台媒体公司有业务往来。

3. 但是当涉及到政治诡计时，商业很快就会结束。

4. 事实上，商业繁荣依赖于诚信，只有在两者都合理的情况下，手段才能得到正当的解释。

5. 当下午来临时，她换上职业套装，成为一家英语杂志的市场营销专家。

6. 有个人说，当他骑着自行车穿过地铁轨道上方的桥时，突然听到了碰撞的声音。

7. 当更多的人从业务中获益时，它将深入学术道德的探讨。

8. 当李在2000年续签矿山许可证时，他将业务转变为自己的私人公司。

Bravo first started creating acrylic paintings on tortillas in college because he couldn't afford canvases. The index shows an improved business climate when it is more than 100, and a worsening climate when the reading falls below this level.