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

• 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。
• 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。
• 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。
• High position bores and elevation bores methane drainage technique can prevent gas problem successfully.
  采用高位钻孔和仰角钻孔抽放瓦斯技术，有效地防止了瓦斯超限。
• 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。
• 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。
• Branch canals and ditches were dug to form a system of irrigation and drainage.
  挖了一些支渠，形成了一个排灌系统。
• 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。
• 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。