aluta

例句：

1. 1. The aluvial plain is a region of land thatis flooded during the rainy season.
   冲积平原是雨季期间被洪水淹没的地区。
2. 2. The aluvial depositsare composed of sediments that have beentransported by water.
   冲积沉积物是由水流搬运的沉积物组成。
3. 3. Thealuvial soil is rich in nutrientsand is ideal for agriculture.
   冲积土壤富含养分，非常适合农业。