但由于人为因素的影响和破坏，草地生态环境发生严重退化。

Eco - environment of grassland degraded seriously because of human influence and destruction.

youdao

但由于人为因素的影响和破坏，草地生态环境发生严重退化。

Eco - environment of grassland degraded seriously because of human influence and destruction.

youdao