mountainous

形容词 mountainous:

1. having hills and crags
   同义词：cragged, craggy, hilly
2. like a mountain in size and impressiveness
3. containing many mountains

1. He lives in a mountainous district.
   他住在山区。
2. The mountainous island loomed on the horizon.
   那座巨大的岛屿隐隐约约浮现在地平线上。
3. Our country is very mountainous.
   我国是一个多山的国家。
4. It seemed that the mountainous waves would turn the ship over.
   排山倒海的巨浪似乎要把船掀翻。

moun.tain.ous

adj.（形容词）
Having many mountains.
多山的：有许多山的
Resembling a mountain in size; huge:
如山的：在体积上像山的；巨大的：
例句：
mountainous waves.
巨大的波浪