Picnometer
n. 比重瓶
🗣️ 情景例句
That's load off my mind.
这一来我心里轻松了。
We're aiming its price for $ 98.
我们订价为98美元。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”