overgrazing
noun [ U ] environment specialized uk/ˌəʊ.vəˈɡreɪ.zɪŋ/ us/ˌoʊ.vɚˈɡreɪ.zɪŋ/
过度放牧
a situation in which there are too many cows or other animals eating grass in an area, which damages the environment
Another problem is erosion of stream banks caused by overgrazing. 另一个问题是过度放牧造成的河岸侵蚀。