Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
She told the boss the was quitting.
她告诉老板说她打算辞职。
Throw away the apple because of the core.
因噎废食。
I'll leave a message on his desk.
我将把留言条放在他的桌子上。