Backflow
n. 逆流, 回流\\n[医] 回流, 反流
🏥 医学释义
回流，返流
🗣️ 情景例句
Who is it?
是谁呀？
I would prefer if he comes here.
我倒愿意他去我们那里。
I could say nothing but that I was sorry.
我除了说“对不起”之外，什么也说不出来。