Pneometer
[医] 呼吸气量测定器
🗣️ 情景例句
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
I went there on business.
我出差到那儿。
This is to help you start your school.
这是帮助你开办学校用的。