Monosulphide
一硫化物
🗣️ 情景例句
When and what university did you graduate from?
你何时从哪所大学毕业？
The honest penny is better than the stolen dollar.
正当得到的一分钱，胜过偷来的一元钱。
He usually stays at home with his pet dog.
他通常跟他的爱犬待在家里。