Backflow
n. 逆流, 回流\\n[医] 回流, 反流
🏥 医学释义
回流，返流
🗣️ 情景例句
Are you married?
你有家室吗？
I'm afraid that won't be possible,much as we'd like to.
尽管我们很想这样做，但恐怕不行了。
I don't care for very hot weather.
我不喜欢热天。