1704924880
此外还可用于一些短语：
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1704924882
I’ll see you again before long．我不久就会见到你们。
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1704924884
He got here the day before yesterday．他是前天到的。
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1704924886
This happened the week (year) before last．这是上上星期（前年）发生的。
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1704924889
155 before (as a conjunction)
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1704924891
before可用作连词，引起状语从句。可有四种用法，表示：
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1704924893
在……之前：
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1704924895
Before he went to university he was a worker．上大学之前他是工人。
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1704924897
……（之后）才……：
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1704924899
It was a long time before I got to sleep again．好久之后我才又睡着。
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1704924901
It was evening before he reached the village．到了晚上他才到达那个村子。
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1704924903
It will be five years before we meet again．要到五年后我们才能再见面。
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1704924905
（不久）就：
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1704924907
I hadn’t waited long before he came．我没等多久他就来了。
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1704924909
It wasn’t long before he told us about this affair．不久他就把这事告诉我们了。
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1704924911
It won’t be long before you graduate．不久你就要毕业了。
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1704924913
不等……就：
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1704924915
Before Diana could stop her, she ran out．不等戴安娜拦住她，她就跑出去了。
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1704924917
And before she could speak again I began to talk．不等她再讲话，我又开始谈了起来。
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1704924919
I slipped out before the lecture started．不等报告开始我就溜了出来。
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1704924922
156 before (as an adverb)
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1704924924
before作副词时主要表示：
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1704924926
以前：
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1704924928
You’ve told me all that before．这些你以前都告诉过我。
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