“地理学”造句

我将专攻地理学.
I shall confine myself to the subject of geography.

森林学和地理学有关.
Forestry appertains to geography.

那时正是地理学真正开始发生改变、许多新观念兴起的时候。
It was just when geography was really beginning to change and lots of new ideas were coming in.