Monosulphide
一硫化物
🗣️ 情景例句
Will you become my wife?
你能成为我的妻子吗？
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
What do you mean by special?
怎么特别呢。