Persulphates
(persulphate 的复数) n.[化]过(二)硫酸盐
🗣️ 情景例句
OK. You go out and get a drink of water at the fountain.
好。你出去在饮水机那儿喝点水吧。
I'm afraid you will be too weak.
我怕你会太虚弱。
All kinds of jobs. There are women police officers, women doctors, teachers, engineers, farmers and so on.
各种各样的工作。有女警官、女医生、女教师、女工程师、女农场主等。