He got lost in the mountain forest.

他在山林里迷了路。

《新英汉大辞典》

Birds sing in chorus every morning in the mountain forest.

每天早晨山林里的鸟雀们都要进行新一天的“合唱”。

youdao

Protecting their mountain forest habitat is good for them and for people.

保护好这些山地森林对这些动物和人都有好处。

youdao

Machu Picchu stands 2, 430 m above sea-level, in the middle of a tropical mountain forest, in an extraordinarily beautiful setting.

UNESCO: MEDIA SERVICES

Niubeiliang, China, is located at the eastern segment of the Qinling Mountains, with a typical temperate broad-leaved mixed mountain forest system.

UNESCO: EDUCATION

The mysterious creature was traced by a joint team from the Zoological Society of London (ZSL) and Sri Lanka who conducted about 1, 000 nocturnal searches in mountain forest.

BBC: 'Extinct' primate, slender loris, pictured in Sri Lanka