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During vs. While

During和while在意义(功能)上相似，但在语法上使用不同。

WHILE

While是一个连词，用来指另一项活动发生的背景时间。

例如:

They all took notes while the professor gave the lecture.

While 后面跟一个从句(While + subject + verb…)

例句:

I did it while I was drunk.

和“during”一样，它表示同时发生的两个事件之间的并行性。然而，它是一个连词;所以，它后面应该跟一个从句(一个主语和一个动词)。
更多例句

? My father was washing his car while my mother was cooking.

? While my brother was driving I was reading a book.

? I will be lecturing while you are taking notes.
注:
It’s also used to talk about two events; yet, one starts in the middle of another action.

它也可以用来谈论两个事件;然而，一件事开始于另一个行为的中间。

? While I was sleeping, the doorbell rang.

? I saw him while he was walking down the street.

? While the students were chatting, the teacher came into the class.

DURING

During是一个介词，用在一个活动之前，表示一个平行的动作与该活动同时发生。

不像"while"，它是一个介词，后面应该跟名词或代词。

例句:

What did you discuss during dinner?

During 之后所接的名词代表一个动作。 (During + noun).

例如:

I had a good time during the trip.

更多例句:

? During my vacation, I witnessed a lot of amazing events.

? We can discuss this topic during the dinner.

? What happened during the blizzard?

? Your grandfather came during your absence.