irrigation ditch

例句：

1. 1. The farmers useirrigation ditches to irrigate their crops.
   农民使用灌溉沟渠来灌溉他们的作物。
2. 2. Theirrigation ditch isa crucial part of the farm's irrigation system.
   灌溉沟渠是农场灌溉系统的关键部分。
3. 3.The irrigation ditch was built toensure that the crops received enough water.
   灌溉沟渠的建立是为了确保农作物得到足够的水分。