when
when是什么意思，
when怎么讀
語(yǔ)音:
英音
[wen]
美音 [w?n]
adv. 什么時(shí)候；（用于時(shí)間的表達(dá)方式之后）在那時(shí)；其時(shí)；當(dāng)時(shí)
conj. 在…時(shí)；既然；如果
pron. 什么時(shí)候；那時(shí)
n. 時(shí)間，時(shí)候；日期；場(chǎng)合
when的釋義是：
adv. 什么時(shí)候；當(dāng)…時(shí)；鑒于；雖然
conj. 當(dāng)…時(shí)；在…時(shí)；在…期間
pron. 什么時(shí)候；何時(shí)
例句：When will you be able to come? 你什么時(shí)候能來(lái)？
希望以上信息對(duì)你有所幫助！
when 什么時(shí)候
來(lái)自PIE*kwo,印歐語(yǔ)疑問(wèn)代詞根，詞源同who,where,why,how.
用作副詞(adv.)
- When did that happen?
那件事是什么時(shí)候發(fā)生的？ - They stood respectfully when he entered the room.
當(dāng)他走進(jìn)房間時(shí)，他們都恭恭敬敬地站著。 - Iron will melt when it is made very hot.
當(dāng)鐵燒得很熱時(shí)就會(huì)熔化的。
用作連詞(conj.)
- And they roared when Seaman held up two fingers.
然后當(dāng)希曼伸出兩根指頭的時(shí)候他們就吼叫起來(lái)。 - I stayed till noon, when I went home.
我留到中午，然后就回家了。 - When all is said and done,we still must eat.
可是說(shuō)到底，我們還得吃飯。 - But when I returned the door was open.
可是回來(lái)時(shí)門(mén)是開(kāi)著的。 - How can they learn anything when they spend all their spare time watching television?
他們把所有的空閑時(shí)間都用來(lái)看電視了，還能學(xué)什麼東西呢？ - It was the sort of morning when everything goes wrong.
那天上午就是那樣，事事不順心。 - He entered on his inheritance when he was 21.
他21歲時(shí)繼承了財(cái)產(chǎn)。
1. "when ever"：表示“每當(dāng)，時(shí)常”，相當(dāng)于“often”或“always”。
例句：I like to read when ever I have free time.
2. "when it comes to"：表示“當(dāng)談到，當(dāng)考慮到”。
例句：When it comes to my favorite food, it's pizza.
3. "at the time when"：表示“在那個(gè)時(shí)候”。
例句：At the time when I left, I didn't realize how much I would miss my family.
4. "at the moment when"：表示“在那個(gè)時(shí)候，此時(shí)此刻”。
例句：At the moment when you called, I was just about to start cooking dinner.
5. "when it is convenient for you"：表示“在你方便的時(shí)候”。
例句：Please let me know when it is convenient for you to meet up.
6. "at the time when one would expect"：表示“在人們期望的時(shí)候”。
例句：At the time when one would expect a company to perform well, they failed to meet expectations.
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