V2EX backflow

Backflow

Definition / 定义

backflow(名词):回流、倒流;指液体或气体逆向流动,常见于管道/供水系统(如污染水倒灌),也可用于医学语境(如血液回流)。

Pronunciation / 发音

/bkflo/

Examples / 例句

The plumber installed a valve to prevent backflow.
水管工安装了一个阀门来防止回流。

After the heavy rain, backflow from the sewer contaminated the basement, creating a serious health risk.
暴雨过后,下水道的倒流污染了地下室,造成了严重的健康风险。

Etymology / 词源

back(向后、逆向)+ flow(流动)构成的复合词,字面意思就是“向后流动”。该词多用于工程、环保与医学等较偏技术的语境中。

Related Words / 相关词

Literary Works / 文学作品例证

该词在小说等传统文学中不算常见,更常出现在工程/公共卫生/医学类出版物中,例如:

  • Plumbing Engineering Design Handbook(《管道工程设计手册》)
  • Cross-Connection Control Manual(《交叉连接/倒流防护控制手册》)
  • The Merck Manual of Diagnosis and Therapy(《默克诊疗手册》)
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