Mef
abbr. maximal expiratory flow 最大呼气流量
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
All right. Should I take a look at your battery?
好的。要不要检查一下蓄电池？
She lives in Nigeria.
她住在尼日利亚。