hillside ditch

例句：

1. 1.The stream runs through the hillside ditch and eventually empties into the river.
   这条小溪穿过山边沟渠，最终流入河流。
2. 2. The farmer carefully dug a hillside ditch to divert the water from the flood.
   农民小心翼翼地挖了一条山边沟渠，以引导洪水。
3. 3.The hillside ditch is a popular spot for birdwatching in the park.
   山边沟渠是公园里观鸟的热门地点。