since

since [sins] prep.

1. ■ 自... 以来, ...以后

since liberation 解放以来

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词性变化

since [sins] conj.

1. ■ 从...以来; ...以后

2. ■ 因为; 既然; 鉴于

We have both changed since we parted. 分别以来我们彼此都变了。

It was three years since we had been there. 我们在那儿已呆了三年。

S-that is so, there is no more to be said. 既然如此, 再没什么可说的了。

since [sins] adv.

1. ■ [和完成时连用](=since then)以后, 后来, 以来

2. ■ 以前(=ago)

I have not seen him since. (那时)以后我没见到过他。

It is two years since (we parted). ( =We parted two years since [ago]). 我们是在两年以前分别的。 At first he refused but sincehas accepted.他最初拒绝, 但后来接受了。

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习惯用语

ever since

1. ■ 从那时起, 一直到现在

long since

1. ■ 好久以前, 早已

not long since

1. ■ 就在不久

since then

1. ■ 其后, 从此一直