emptying something accomplished by allowing liquid to run out of it
双语例句
1. This is a drainage area.
这里是排水区.
来自《简明英汉词典》
2. The defect in the drainage must be remedied.
这排水系统的缺陷该设法补救.
来自《简明英汉词典》
3. Bad drainage caused the land to be flooded.
排水不利容易使土地淹水.
来自《简明英汉词典》
4. It is advisable to mix coarse grit into heavy soil to improve drainage.
建议将粗砂掺到黏重的土壤里，以提高排水性能。
来自柯林斯例句
5. 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。
来自柯林斯例句
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 town's 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。
用作名词 (n.)
Bad drainage caused the land to be flooded. 排水不利容易使土地淹水。
The defect in the drainage must be remedied. 这排水系统的缺陷该设法补救。
