狮子是热带稀树草原之王。

The lion is the king of the ___savanna.

狮子在广阔的草原上追逐它们的猎物。

Lions chase their prey across the vast ___savanna.

长颈鹿和斑马在广阔的稀树草原上自由漫步。

Giraffes and zebras roam freely across the vast ___savanna.