简明英汉词典

long since
从前, 往昔

现代英汉综合大辞典

since
[sins]
prep.
自... 以来, ...以后
since liberation
解放以来

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。

习惯用语

ever since
从那时起, 一直到现在

long since
好久以前, 早已

not long since
就在不久

since then
其后, 从此一直

英汉航海大词典

long since
adj.很久以前

英汉环境大词典

long since
n.很久以前,久已

英汉化学大词典

long since
adv.很久以前,久已

英汉经贸大词典

long since
n.很久以前,久已

英汉计算机大词典

long since
adv.很久以前(早已,久已)

英汉机械大词典

long since
n.很久以前,久已

英汉能源大词典

long since
n.很久以前,久已

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