couldn't翻译

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couldn't翻译

couldn't翻译
couldn't翻译

couldn't翻译
could
[kud]
vbl.
can 的过去式
could
[kud]
v.,aux.
[can的过去式]
〔常用于从句中〕(过去、当时)能够,得以
〔用于虚拟语气中,表示相反的假设〕能,本来可以
〔表示可能性〕能,可能,可以
〔用于委婉语气〕能,可以
We could see the oil bleeding out from the joint.
(那时)我们可以看出油从接缝处渗出.
It was so dark that we could see nothing.
天太暗了,我们什么也看不见.
If I could go with you,I should feel very glad.
假如我能同你们一起去,我会感到非常高兴.
You could have been more considerate.
你本来可以更慎重些.
If you tried,you could do the work better.
如果你试试的话,准能把那项工作干得更好.
C-I borrow your thermos?
我可以借用你的暖水瓶吗?
could not (help)but
不能不
who could have
谁〔没人〕会
nobody could have
谁〔没人〕会
couldn't
[5kudnt]
(=could not)不能

不能(一般过去时);不可以

不可以