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

• 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。
• Keep the drainage channel clear.
  保持下水道畅通。
• The drainage of the city is not good, some of the pipes are broken.
  这个城市的排水系统不好，有些排水管都破裂了。
• The paper analyses the drainage method of the same layer extracted in housing design, compares the major characteristics.
  本文分析了在住宅设计中采用同层排水方式的主要技术特点，并对其中的几种作法进行了比较。
• 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。
• 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。
• If no drainage system exists, the water table rises, bringing dissolved salts to the surface.
  如果没有排水系统存在，那么，地下水上升，将溶解的盐分带到了地面。
• This is a drainage area.
  这里是排水区。
• In design of highway drainage system, the rainfall reappearing period is a very important parameter.
  在公路排水系统设计中，降雨重现期是一个非常重要的参数。