Backdrafts
n. 倒转（回程）；反向气流
🗣️ 情景例句
... Oh, oh, I see.... Oh ... certainly.
……嗯 嗯 我知道了。……嗯……一定。
I took off my raincoat.
我脱下了我的雨衣。
It contained $300 in pennies.
他坚持要店员点清那些硬币后他才离去。