英语语法分析

The circular ger can be assembled quickly by nomadic herders in the harsh terrain.

扎营的游牧牧人在恶劣的地势下，能很快的把这个圆顶帐篷安装好。

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。

The cattle herders had only a few possessions: unsophisticated pots and polished adzes.

牧民们只有几样东西：一些并不精致的陶罐和磨光的斧子。