fluvial geomorphology

例句：

1. 1.The riverbed is home to a variety of plant and animal life.
   河床是各种植物和动物的家园。
2. 2. Fluvial geomorphology is the study of how rivers shape their landscapes.
   河流地貌学是研究河流如何塑造其景观的学科。
3. 3. The construction of dams has had a significant impact on the fluvial ecosystem.
   大坝的建设对河流生态系统产生了显著影响。