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
Water is channelled through a series of irrigation canals.
把水引入一系列灌溉渠中.
We used the money to set up an irrigation project.
我们把钱用在兴建灌溉工程上了.
