英语语法分析

An adult male lion is resting in the grass on the Kenyan savanna.

肯尼亚热带草原上，一头成年雄狮正在草丛里休息。

The herders shifted south, following the major river systems into savanna regions.

牧民们向南迁移，沿着主要河流系统进入热带草原地区。

Increase in pastureland and subsequent overgrazing have resulted in an expansion of savanna.

草场的增加和随之而来的过度放牧导致了稀树草原的扩张。