unless

unless

[ən'les]

conj.除非, 如果不
prep.除 ... 外

例句与用法:

I sleep with the window open unless its really cold.

我总是开著窗户睡觉,除非天气非常冷才关上窗户。

I won't go to the party unless I'm invited.

除非我被邀请,否则我不会去参加晚会的。


conj.

如果不, 除非

I won't apologize unless she apologizes first.

除非她先道歉, 否则我不道歉。

prep.

除……外


短语词组:

unless and until

1. 直到……才

I will not believe it unless and until he tells me so.

除非他亲口对我说, 否则我决不相信。


英语宝典
考试词汇表