Preoxygenation
[医] 预充氧[呼吸]法
🗣️ 情景例句
I got a bum deal.
我被骗了。
Yes, it's much better than yesterday.
是的，比昨天好多了。
My friend Li Lei likes mooncakes with meat.
我的朋友李雷喜欢放有肉的月饼。