1、The drainage and irrigation ditch system should be combined with roads and protection forest.
排灌溝系統(tǒng)、道路、防護林三者應盡可結合布設。

2、I saw children swimming in an old irrigation ditch alongside the rotting carcass of an ox.
我看到孩子們在腐爛的牛尸旁邊舊的灌溉渠里游泳。

3、Didn't you see an irrigation ditch over there?
你沒看到哪邊有一條灌溉的渠道嗎？