before

释义

prep. 在...之前\nconj. 在...之前\nadv. 在前 before and after 前后，之前之后 than before 比以前 as before 如以前

例句

The new road should be completed before the end of the year.

这条新公路应该在年底前完工。

Let’s meet at our house before the show.

看演出前在我们家碰头吧。