drainage

['dreinidʒ]

n.排水, 排水系统, 污水

例句与用法：

A long narrow trench or furrow dug in the ground, as for irrigation, drainage, or a boundary line.

沟渠，排水沟，水道在地面上狭长的沟渠或细沟，用于灌溉、排水或用作分界线

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。

The drainage system has been aged.

排水系统已经老化了。

详细释义：

n.[U]

1. 排水; 放水

2. 排水法

3. 排水系统, 排水设备; 下水道

The drainage of the town is not good, some of the pipes are broken.

城里的排水系统不好, 有些水管断裂了。

4. 排出的水; 污水

5. 排水面积; 流域面积