学习地理学能帮助我们更好地理解人类与环境的关系。

Studying ___geography helps us understand the relationship between humans and their environment.

沙漠和雨林的地理特征差异很大。

The ___geography of deserts and rainforests are very different.

这本地理书详细描述了世界各地的地形和气候。

This ___geography provides detailed descriptions of terrains and climates around the world.