Backflow
n. 逆流, 回流\\n[医] 回流, 反流
🏥 医学释义
回流，返流
🗣️ 情景例句
She's having a baby?
她怀孕了吗？
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
What do you think of my new car?
你觉得我的新车怎么样？