Monosulphide
一硫化物
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
We first make our habits, and then our habits make us.
我们先养成习惯，然后习惯又左右我们。
We also hope to expand our business with you.
我们也希望与贵公司扩大贸易往来。