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

• 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。
• 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 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 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。
• Keep the drainage channel clear.
  保持下水道畅通。
• Analysis of application of PLC in drainage system of hydropower plant
  PLC在水电厂排水系统中的应用与分析
• 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。
• 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。
• 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。
• 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。