Monosulphide
一硫化物
🗣️ 情景例句
Who knows?
谁知道？
There is noaccounting for tastes.
人各有所好。
On the farm, everything begins to grow.The trees turn green, and the flowers start to come out.
农场里，各种作物开始生长。树木变绿，鲜花盛开。