Pbf
[医][=peripheral blood flow]外周血流（量），末梢血流量
🗣️ 情景例句
Keep out of what doesn't concern you.
不关你的事不要插手。
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"