名词
中文翻译：山区
同义词：
['mountainous area', 'mountainous region']
例句：
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1. The mountain areais home to many rare species of plants and animals.
这个山区是许多稀有植物和动物的家园。
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2. The mountain area is rich in minerals and has been a source of economic development for centuries.
这个山区富含矿物，数百年来一直是经济发展的源泉。
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3.Due to its unique geographical features, the mountain area is often used as an example for studying geological phenomena.
由于其独特的地理特征，这个山区经常被用作研究地质现象的例子。