irrigation ditch造句

1、The drainage and irrigation ditch system should be combined with roads and protection forest.
排灌沟系统、道路、防护林三者应尽可结合布设。

2、I saw children swimming in an old irrigation ditch alongside the rotting carcass of an ox.
我看到孩子们在腐烂的牛尸旁边旧的灌溉渠里游泳。

3、Didn't you see an irrigation ditch over there?
你没看到哪边有一条灌溉的渠道吗？