Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
I have a tactical idea.
我有一个高明的计策。
This is a photograph of our village.
这是我们村庄的一张照片。