Monosulphide
一硫化物
🗣️ 情景例句
You think I can just skip it now and get to it at college?
你想我现在略过数学， 等到上了大学再学， 可以吗？
He established a new business.
他开创了新事业。
Where's her hat? Is it under her chair?
她的帽子在那里，是在她的椅子底下吗？