Picknometer,pycnometer
[化] 比重瓶; 比重管
🗣️ 情景例句
Have they made it up yet?
他们和好了吗？
Is it too late?
来得及吗？
Spirits labelled 95 proof contain only about 47 percent alcohol.
强度标为95的酒中含47％的酒精。