drainage

英 [ˈdreɪnɪdʒ]

美 [ˈdreɪnɪdʒ]

n.  排水; 放水; 排水系统

复数：drainages　

CET6TOEFLIELTSGRETEM8医学法律

Collins.1 / BNC.5718 / COCA.7695

牛津词典

noun

• 排水；放水
  the process by which water or liquid waste is drained from an area
  1. a drainage system/channel/ditch
     排水系统 / 渠 / 沟
  2. The area has good natural drainage.
     这个地区有良好的天然排水系统。
• 排水系统
  a system of drains

柯林斯词典

• N-UNCOUNT 排水系统;排水;放水
  Drainageis the system or process by which water or other liquids are drained from a place.
  1. Line the pots with pebbles to ensure good drainage...
     在罐子里铺一层鹅卵石，以确保排水良好。
  2. The drainage system has collapsed because of too much rain.
     由于降雨过多，排水系统已经彻底瘫痪了。

英英释义

noun

• emptying something accomplished by allowing liquid to run out of it
  Synonym:drain

双语例句

• The drainage system has collapsed because of too much rain.
  由于降雨过多，排水系统已经彻底瘫痪了。
• But even the mosquito has been subdued by attention to drainage and by chemical sprays.
  然而即使蚊子，也由于我们注意清理污水和喷洒化学药品就被制服了。
• It is wise to start infilling with a layer of gravel for drainage.
  先铺上一层利于排水的砾石是个明智的做法。
• Keep the drainage channel clear.
  保持下水道畅通。
• It is advisable to mix coarse grit into heavy soil to improve drainage.
  建议将粗砂掺到黏重的土壤里，以提高排水性能。
• Our backyard is flooded by heavy rain because the drainage is poor.
  因为排水系统很差，我们的后院被大雨淹了。
• Line the pots with pebbles to ensure good drainage
  在罐子里铺一层鹅卵石，以确保排水良好。
• This is a drainage area.
  这里是排水区。
• The research on drainage technique is instructive for quay stability analysis and geologic calamity prevention and control.
  排水技术的研究对港口码头的稳定分析以及地质灾害的防治具有指导性意义。
• The defect in the drainage must be remedied.
  这排水系统的缺陷该设法补救。