Backflowing
n. 【流体力学】回流
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
What is the style of furture?
这是什么样式的家具？
I see, that's what we will order.
哦，我们要订的就是那种。