Backflowing
n. 【流体力学】回流
🗣️ 情景例句
I'm afraid I'm awfully late.
我实在太迟了。
Thank you. It was very kind of you.
谢谢，您太好了。
It went direct from my local station and the journey lasted mere hour and seventeen minutes.
这是趟直达车，旅途总共才需1小时17分钟。