Hexachloroacetone
[化] 六氯丙酮
🗣️ 情景例句
Sometimes he's very sad.
他有时很忧悒。
It's a beautiful country with many large lakes.
它是一个有许多大湖的美丽的国家。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”