sediment and water

例句：

1. 1. The river has a lot of sediment in it.
   这条河里有很多沉积物。
2. 2. Sediments are formed by the accumulation of rocks and minerals.
   沉积物是由岩石和矿物质的积累形成的。
3. 3.The study of sedimentary rocks is important for understanding Earth's history.
   研究沉积岩对于理解地球历史非常重要。
4. 1. We need to drink enough water every day.
   我们需要每天喝足够的水。
5. 2. The fish live in the water.
   鱼生活在水中。
6. 3. Water is essential for life on Earth.
   水是地球上生命所必需的。