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

• So can implement the whole autocontrol of drainage system.
  从而实现对排水系统的全自动控制。
• Focus on the water resources and water environment information inquiry, analysis and appraisal of drainage basin level.
  主要侧重于流域层次的水资源与水环境信息查询、分析和评价。
• 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。
• Alongside each irrigation canal a drainage ditch was dug.
  沿着每一条灌溉渠，他们还挖了一条排水沟。
• The pollutant drainage fee can be included in the production costs.
  排污费可从生产成本中列支。
• This is a drainage area.
  这里是排水区。
• 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。
• 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。
• 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。
• 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。