Elaterometer
[化] 气体密度计\\n[医] 气体密度计
🗣️ 情景例句
If you cheat in a test, you've really only cheating yourself.
如果你在测验中作弊的话，你欺骗的只有你自己。
How many of these are you going to lend her?
你要借多少给她？
No, we can ship in lots of any size.
没有，任何数量都可以出货。