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词条 before
释义 before [be·fore || bɪfɔː]

adv. 较早; 曾经; 以前; 在前

conj. 在...之前

prep. 较早; 曾经; 以前; 在前#在...之前

….before….

(1). 没来得及…就…

The roof fell before he had time to dash into the room to save his baby.

他还没有来得及冲进房间把孩子就出来,房顶就塌了.

He ran off before I could stop him.

To my great disappointment , my favorite singer left the concert before I could have a word with him.

(2).过了多久才怎么样,动作进行到什么程度才怎样

They walked about thirty miles to the west before they saw a village.

They worked day and night about three days before everything returned to normal.

Three years passed before I knew it.

3.It was + 时间段 + before….过了多久才…. ;

It was not long before… 不久就…

It will ( not ) be + 时间段 + before …要过多久 ( 不久)…..才…..

Eg. It was not long before he sensed the danger of the position.

It was three years before he came back.

It will be half a year before you graduate from this school.

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更新时间:2025/2/22 18:51:05