Qpc
肺毛细管血流量
🗣️ 情景例句
Crash dieting is not an advisable way to lose weight.
疯狂节食可不是减肥的好方法。
Could I speak to you, please?
我可以跟你谈话吗？
I'm not sure whether I have locked the door.
我没把握是否锁了门。