The Rocky mountains have rugged mountains and roads.

基山脉有崇山峻岭和崎岖不平的道路。

youdao

Amid pine forests, streams, and rugged mountains, it all takes place in one of Washington State's most scenic Settings.

这项活动就举办在这松林，溪流和崎岖的山峦之间——华盛顿州景致最为秀丽的地方之一。

youdao

Hawaii's rugged mountains are covered with dense jungle, which makes them difficult to study in the field or by satellite.

夏威夷起伏的山脉被茂密的丛林所覆盖，这使得实地考察或是人造卫星监测变得困难起来。

youdao

Silcon Valley is bordered on one side by the Bay and rather rugged mountains to the west.

FORBES: Silicon Valley Is Stuck In An Uncanny Valley Of Density

Heavy snows and rugged mountains have prevented health workers from reaching many villages thought to have infected birds.

ECONOMIST: Turkey and bird flu

These are rugged mountains in the Sinai close to the coastline, mountains with difficult, hard to find paths.

NPR: Suicide Bombers Hit International Force in Sinai