We left the rough track and bumped our way over a rugged mountainous terrain.

我们驶离坎坷的小道，又颠簸过了崎岖多岩的山地。

《柯林斯英汉双解大词典》

Here the high mountainous terrain is covered with forests.

高山上布满森林。

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Here, the high mountainous terrain is covered with forests.

高山上布满森林。

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Mr Pathak adds that Nepal's mountainous terrain also makes it an ideal place to cultivate coffee.

BBC: Nepal farmers brew success with coffee cultivation

Austria does not use them, on the grounds that the shadows cast by very mountainous terrain sometimes make satellite images inaccurate.

BBC: Spying on Europe��s farms with satellites and drones

The first trial run demonstrated that 1 km of high-density polyethylene pipe could be laid down over mountainous terrain and in windy conditions in just nine minutes.

FORBES: Startup Aims To Install Pipelines With Helicopters...Seriously!