Backflow
n. 逆流, 回流\\n[医] 回流, 反流
🏥 医学释义
回流，返流
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
It only takes a few minutes.
只要几分钟而已。
Sometimes I have problems at work but on the whole I enjoy my job.
有时我的工作也有问题，但总的来说，我喜欢我的工作。