森林的英语是forest。
来源：
forest来源于中世纪法语"foret"，再源自拉丁语"forestis"，意思是“原始森林”。
例句：
The forest is home to many different types of animals.
(森林是许多不同类型动物的家。)
We went on a hike through the forest.
(我们去森林里徒步旅行。)
The forest fire destroyed many acres of trees.
(森林大火摧毁了许多英亩的树。)