Monosulphide
一硫化物
🗣️ 情景例句
You don't need to do that, Grandpa.
你不用这样，爷爷。
The crushed worm will turn.
困兽犹斗。
Congratulations on your good news! You must have done well to have achieved this success.
对你的好消息表示祝贺。你一定是干得很出色才获得这一成功的。