Pbf
[医][=peripheral blood flow]外周血流（量），末梢血流量
🗣️ 情景例句
I don't want to interrupt her school year.
我不愿意打断她这个学年。
It's not up to his usual standard.
这次没有达到他平时的水平。
The dentist is very busy at the moment.
牙科医生这会儿很忙。