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

• IELTS test exerts inevitable backwash effect on English teaching in international joint programs.
  雅思考试对中外合作办学项目的英语教学产生巨大的反拨效应。
• 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。
• 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。
• 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。
• They were caught in the political backwash of the incident.
  他们陷于该事件的政治余波中。
• This utility model has the advantage of achieving the dual effects of excision and backwash on one sewage pump, thereby widening sphere of application of the sewage pump.
  本实用新型的优点是能在一台污水泵上实现切割和反冲洗的双重功效，提高污水泵的适用范围。
• 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。
• 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。
• 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。
• 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。