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

• Rain can cause rivers to overflow, as can the backwash from the sea preventing river water from draining, but nothing says "sinking" more than saltwater intrusion.
  降雨会导致河道泛滥，海水的回流同样会阻止河水的排放，可是没有什么可以或许比咸水侵入更能申明“下沉”一事了。
• 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
• Design of V-filter Backwash Control System in Water Plant
  净水厂V型滤池反冲洗控制系统研制
• This backwash current is governed by volume of water and flow.
  回流的水流是由水量及流动决定的。
• Study on method of backwash of enhancing biological activated carbon filter
  生物增强活性炭滤池的反冲洗方式研究
• 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。
• 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。
• Constant stream of backwash, rinse very little amount of water conservation.
  反冲洗不断流，冲洗量极少，节约用水。
• A so-called backwash is a research about a kind of test impacts on language teaching and learning.
  所谓的反拨作用就是研究一种测试对教与学的这两方面的影响。
• 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。