Picknometer,pycnometer
[化] 比重瓶; 比重管
🗣️ 情景例句
I didn't want to be alone anymore!
我不想再一个人独自生活了。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
I am even less lucky.
我的运气甚至还不及他们。