Backdrafts
n. 倒转（回程）；反向气流
🗣️ 情景例句
Staff only.
员工专用。
The country is rich in natural resources.It has mineral deposits.
这个国家有丰富自然的资源。它有很多的矿床。
Why don't you come swimming with us?
你干嘛不和我们一起游泳呢？