Desulphurisation
n. 脱硫作用, 除硫作用
🗣️ 情景例句
When my grandpa is in a bad mood, he's grouchy with everyone.
爷爷脾气坏的时候，对所有的人都不满意。
Why? What will you wear?
为什么？你会穿什么？
Give her the key.She always comes home early.
。把钥匙给她吧。她总早早回家的。