brosd irrigation

例句：

1. 1. The farmers use drip irrigation to irrigate their crops.
   农民们使用滴灌来灌溉他们的作物。
2. 2. The irrigation system is designed to prevent soil erosion.
   灌溉系统旨在防止土壤侵蚀。
3. 3. The farmers need to irrigate the fields before the rain starts.
   农民们在雨前需要灌溉田地。