Backflow
n. 逆流, 回流\\n[医] 回流, 反流
🏥 医学释义
回流，返流
🗣️ 情景例句
how you see the building being used.
你们计划如何使用这栋建筑。
From all listed prices we allow a discount of 10 percent on orders received on or before 31st May.
5月31日或此前收到的订单，我们都按价目单上的价格给10%的折扣。
Such creatures have rarely been seen alive by man as they live at a depth of six hundred feet.
人们很少能看到活着的这类动物，因为它们生活在600英尺深的水下。