Couldst
[ [kudst] ]
第2级
其它 Other
v. [古]能够（can的过去式）
🗣️ 情景例句
I hope that he will succeed.
我希望他会成功。
I'd like to say goodbye to everyone.
我要向诸位告别了。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。