When
[ wɛn ]
第1级
其它 Other
adv. 什么时候;（用于时间的表达方式之后）在那时;其时;当时;
conj. 在…时;既然;如果;
pron. 什么时候;那时;
n. 时间，时候;日期;场合;
📝 例句
Bob's your uncle when ..
如果发生…的情况，请不必着急。
How can he get the promotion when his boss dislikes him?
既然上司不喜欢他,那他怎么会获得提升呢?
There were times when I didn't know what to do.
有些时候我不知道该怎么办才好。
I had only fifteen dollars on me when the book I wanted cost twenty.
我身上只带了十五元钱,可是我想买的那本书定价二十元。
`when' in `I will come when I can' is a subordinating conjunction.
‘when（如果）’在‘I will come when I can（如果能够我就来）’中是从属连词。
🌱 联想助记
【记】※ hen-母鸡,when-什么时候:母鸡什么时候下蛋
※ w-似“钉耙”,hen-拼音“很”:当猪八戒认真起来的时候,他的九齿钉耙还是很管用的
✅ 同义词
📖 牛津释义
hen
interrog
adv at what time; on what occasion 什麽时候; 什麽场合
When can you come? 您什麽时候能来?
When did he die? 他是什麽时候死的?
I don't know when he died. 我不知道他是什麽时候死的.
When were you living in Spain? 您是什麽时候住在西班牙的?
Since when has he been missing? 他是从什麽时候失踪的? when, rel adv 关系副词
1 (used after time, day, month, etc 用於time、 day、 month等之後) at or on which 在那时; 其时
Sunday is the day when very few people go to work. 星期日是没什麽人上班的日子.
There are times when I wonder why I do this job. 有时候我也不明白我为什麽要做这个工作.
It was the sort of morning when everything goes wrong. 那天上午就是那样, 事事不顺心.
2 at which time; on which occasion 在那时; 当时; 当场
The Queen's last visit was in May, when she opened the new hospital. 女王上次来访是在五月份, 她那时主持了这座医院的落成典礼. when, conj
1 at or during the time that 在...时; 当...时
It was raining when we arrived. 我们到的时候正在下雨.
When he saw her, he waved. 他一看见她就摆了摆手.
When visiting London I like to travel by bus. 我游览伦敦时喜欢坐公共汽车.
2 since; considering that 既然; 考虑到
How can they learn anything when they spend all their spare time watching television? 他们把所有的空闲时间都用来看电视了, 还能学什麽东西呢?
🎯 考研助记
音“问”， 什么时候
🔁 扩展释义
*[hwen]conj. 当...的时候ad. 何时, 什么时候pron. 什么时侯n. 时间
📖 同为「小学」词汇
查看全部小学词汇 ›🗣️ 情景例句
Don't read in bad light, it can harm your eyes.
别在昏暗的灯光下读书，会影响你的视力的。
I'd stay if they promoted me, but I can't see that happening.
假如他们提升我，我就留下来，但我看那是不可能的。
and if a single curved glass would distort nature, how much more would a pair of them?
何况一片曲面镜就可歪曲自然，那么伽利略的两片曲面镜对自然的歪曲又该多大呢？