Perchlorether
[化] 全氯乙醚
🗣️ 情景例句
What about the rings?
戒指怎么办？
I'm not in the mood.
我没心情。
They trooped behind the first dancer, copying its movements.
它们成群结队跟在第一只跳舞的蜜蜂后面，模仿着它的动作。