Hadst
v. have的第二人称单数过去式
🗣️ 情景例句
I shall do as I please.
我喜欢怎么做就怎么做。
He is likely to do something wrong.
他可能会做坏事。
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，