从属连词since的意思及例句

since

(1)表示时间,意思是“自从以来”。

I haven’t heard from him since he left.  自从他离开后,我就没有得到他的消息。

It is ten years since he joined the army.  他参军已经有十年了。

(2)表示原因,意思是“既然”。

Since this method doesn’t work,let’s try another. 既然这种方法不行,我们就试用另一种吧。

Since you ask, I will tell you. 你既然问,我就告诉你。

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