Backdrafts
n. 倒转（回程）；反向气流
🗣️ 情景例句
How long will it take to get some more in from the factory?
从工厂再运一些货过来要多久？
I think it's going to be too small.
我认为它将太小。
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。