Pbf
[医][=peripheral blood flow]外周血流（量），末梢血流量
🗣️ 情景例句
Hello.
喂。
The eagle glides gracefully.
老鹰优雅地在空中滑翔。
He noticed that a river of liquid rock was coming towards him.
他发现有一股岩浆正向他流过来，