Pyrazolidine
吡唑烷
🗣️ 情景例句
Why do we need a swimming pool? Everyone in the family hates swimming!
我们需要游泳池做什么呢？家里人都讨厌游泳。
I took 4 feet of cloth.
我拿了四英尺布。
Zip your fly!
闭嘴！