drainage是什么意思
drainage
n. 排水；排水系统；污水；【医】引流（法），导液（法）
近义词：sewage，guttering，wastewater，waste，water，drain，
双解释义
n.(名词)
- [U]排水,放水 the act or action of draining
- [U]排水系统,下水道 system of drains
- [U]废水,污水,污物 sth that is drained off
英英释义
Noun
- emptying something accomplished by allowing liquid to run out of it
组词搭配
动词+～
- improve the drainage改善排水系统
～+介词
- the drainage of wealth财富的外流
例句
用作名词(n.)
- Bad drainage caused the land to be flooded.排水不利容易使土地淹水。
- Make holes through the base to allow for drainage.在地基中开洞，以便排水。
- The drainage system has been aged.排水系统已经老化了。
- The towns drainage is very efficient.这城市的排水系统很好。
- He came to look at the drainage.他是来检查排水设备的。
- The city was even equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.这座城市甚至还铺设过排水系统,因为在窄窄的街道底下发现了许多陶土制的管道。
- Never pipe the discharge line directly into a drainage ditch, sewer or sump.不要把排泄管直接插入排泄地漏、污水管或污水坑里。