Panhydrometer
通用(液体)比重计
🗣️ 情景例句
Yes, they are. We're still expanding.
是的，我们还要扩建。
My home is in the capital.It's a cosmopolitan city.
我的家在首都.它是一个国际性的城市。
Why?what happened.
为什么？怎么啦？