Backflowing
n. 【流体力学】回流
🗣️ 情景例句
Building a city can be a disaster for the environment.
新建一个城市对于环境来说可能是一场灾难。
He is a very creative student.
他是个很有创造力的学生。
Were there any exciting incidents during your journey?
你们在旅行中有没有什么令人激动的事情？