Pbf
[医][=peripheral blood flow]外周血流（量），末梢血流量
🗣️ 情景例句
I'm glad you like it.
我很高兴你们喜欢。
A quiet conscience sleeps in thunder.
白日不做亏心事，夜半不怕鬼敲门。
It looks as if she's gone away for a few days.
好象她要外出好几天了。