Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
He is as poor as a church mouse.
他一贫如洗。
I'll have to see about that.
这事我得想一想再定。
We'll wait and see what they say.
看看他们怎么说吧。