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

• This is a drainage area.
  这里是排水区。
• The defect in the drainage must be remedied.
  这排水系统的缺陷该设法补救。
• The closed drainage technique of mechanical construction was introduced in North Ningxia Yinchuan Irrigation district.
  宁夏银川灌区引进机械施工的暗管排水工程施工技术，开展了大面积的暗管排水工程建设。
• Water drainage hose, charging valve shall be kept open.
  为排出槽内和排水管中的水，应使排水阀保持开状态。
• 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。
• 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 urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.
  城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。
• We conducted a randomized trial to compare endoscopic and surgical drainage of the pancreatic duct.
  我们进行了一项随机试验对胰管扩张内镜和外科治疗进行了对比研究。
• The slope debris flows may be controlled by construction of drainage systems and reforestation.
  建排水系统和发育植被可以最终控制坡面泥石流。