Monosulfide
一硫化物
🗣️ 情景例句
He has a reputation for honesty.
他以诚实著称。
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
Yes, he has.He sold it last week.
是的，卖掉了。他上星期卖掉的。