Monosulfide
一硫化物
🗣️ 情景例句
I go camping in the mountains to enjoy the fresh air.
我去山中宿营以享受新鲜的空气。
The plan worked well.
那项计划进行顺利。
The Turners are going on a train. The conductor is coming round.
特纳一家人在火车上。列车员走过来。