backwash

英 [ˈbækwɒʃ]

美 [ˈbækwɔːʃ]

n.  恶果; 余波; 不良后果; (行船激起的)反流，尾流; (波浪拍击岸边后的)退浪

现在分词：backwashing　过去式：backwashed　

机械

BNC.35300 / COCA.29254

牛津词典

noun

• 恶果；余波；不良后果
  the unpleasant result of an event
• （行船激起的）反流，尾流；（波浪拍击岸边后的）退浪
  waves caused by a boat moving through water; the movement of water back into the sea after a wave has hit the beach

柯林斯词典

• N-SING 余波；不良后果
  Thebackwashof an event or situation is an unpleasant situation that exists after it and as a result of it.
  1. ...the enduring backwash of another family scandal.
     另一桩家庭丑闻经久不息的余波
  2. The Treasury had been blaming the pound's weakness on the backwash from the falling dollar.
     财政部一直将英镑的疲软归咎于美元贬值。

英英释义

noun

• the wave that spreads behind a boat as it moves forward
  1. the motorboat's wake capsized the canoe
  Synonym:wake
• the consequences of an event (especially a catastrophic event)
  1. the aftermath of war
  2. in the wake of the accident no one knew how many had been injured
  Synonym:aftermathwake
• the flow of air that is driven backwards by an aircraft propeller
  Synonym:slipstreamairstreamracewash

双语例句

• They were caught in the political backwash of the incident.
  他们陷于该事件的政治余波中。
• An effective way to make the backwash effect of the test positive is to improve its validity.
  提高测试效度是使测试反拨作用趋于积极的有效手段。
• The water-skier was caught in the backwash from a passing motorboat, and fell off his skies.
  滑水者卷入摩托艇驶过造成的回流中，并从滑水板上摔了下来。
• A Study on the Backwash Effects of the NMET on Senior English Teaching and Learning
  高考英语测试对高中英语教学的反拨作用研究
• It was found that PAC addition was effective in enhancing flux and that flux could be recovered by backwash, suggesting that PAC can prevent membrane from fouling.
  投加粉末活性炭能有效地提高膜通量，通过反冲洗，膜通量能得到很好的恢复，说明粉末炭能防止膜污染。
• The improvement test of typical two-stage up-flow biological aerated filter ( UBAF) with ceramsite was performed using the characteristics of different flow BAFs and the optimized backwash operation.
  利用不同流向BAF反应器的特性以及优化反冲洗操作，对典型的两级上向流陶粒曝气生物滤池工艺进行改进试验。
• A Study on the Backwash Effect of Achievement Test on College English Teaching
  试究成就测试在大学英语教学中的反拨作用
• This model can describe the effect of backwash and time-varying influent conditions on biofilters.
  该模型能动态描述进水及反冲洗过程对生物滤池状态和处理效果的影响。
• As a result, the resistance to flow increases until a backwash is performed.
  其结果是造成了流动阻力的增加，直到反冲洗进行完毕。
• Positive Backwash of Achievement Testing on EFL Teaching and Learning
  成就测试对外语教学的正面反拨效应