mountainous terrain的用法和样例：
例句
- The mountainous terrain rules out most forms of agriculture.
多山的地形使大多数形式的农业耕作无法进行。 - The country's unruly tribes and mountainous landscape make the place hard to pacify.Voters thousands of miles away struggle to remember why their soldiers are dying there.
阿富汗无规律的部落结构和多山的地形都使得这个地方难以控制。
