Gravimeter
n. 比重计, 重力计\\n[医] 比重计, 比重测定器
🗣️ 情景例句
You're still thinking about something to do, aren't you?
你还在想要找点事做， 是吗？
What's the typical farm product in this region?
这个地区典型的农产品是什么？
we'll be poor again.What'll we do then?
我们又会变穷的。那时我们怎么办呢？