1.As its name suggests, grasses like big bluestem and switchgrass dominate the ecosystem.

顾名思义，像大蓝茎和柳枝稷这样生态系统中占主地位。

2.Region by region, we find in the North American Prairie, among others, Big bluestem, Indiangrass and Switchgrass species.

我们北美大原地区发现了各种植物，其中包括大须芒、印第安和柳枝稷。机翻