Gravitometer
重差计(测定比重用)
🏥 医学释义
比重计，比重测定器
🗣️ 情景例句
I thought you might be hungry.
我想你大概饿了。
If you have cows you have to get up early to do the milking.
如果你有奶牛，你不得不早起挤奶。
That's all!
就这样！