Gravimeter
n. 比重计, 重力计\\n[医] 比重计, 比重测定器
🗣️ 情景例句
I'll come and give you a hand tomorrow.
我明天来帮你忙。
Did you clean this yourself?
你自己亲自清理这个？
How long have you been learning English?
你学英语有多久了？