Hydroxyethylhydrazine
[有化]羟乙基肼
🗣️ 情景例句
... and if you ask what I care about, I'll tell you.
……假如你们问我关心什么， 我可以告诉你们。
I slipped on the stairs and fell down.I broke my leg.
我在楼梯上滑倒了并且掉下来我弄断了腿的。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。