Pbf
[医][=peripheral blood flow]外周血流（量），末梢血流量
🗣️ 情景例句
What's the capital city of France?
法国的首都是哪里？
You look tired. Have you been getting enough sleep?
你似乎累了。睡眠充足吗？
Well, thank you very much.
好吧，那就谢谢你啦？