1. The children loved playing by the nullah, skipping stones and splashing in the shallow water.
孩子们喜欢在小溪边玩耍，跳着石头，在浅水中溅水。

2. The nullah overflowed during the heavy rain, causing flooding in the nearby village.
在大雨中，小溪溢出，导致附近村庄被淹。

3. The villagers relied on the nullah for irrigation of their crops during the dry season.
村民们在旱季依靠小溪灌溉庄稼。

4. The wildlife in the area depended on the nullah for water, especially during the drought.
该地区的野生动物依赖于小溪取水，尤其是在干旱期间。

5. The nullah was polluted by industrial waste, causing harm to the local ecosystem.
小溪被工业废物污染，对当地生态系统造成了危害。

6. The government implemented a cleanup program to restore the nullah to its natural state.
政府实施了清理计划，恢复小溪的自然状态。