名词
中文翻译：山地地区
同义词：
['backwoods', 'mountainous district', 'wilderness area']
例句：
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1. The backcountry district is home to many rare species of flora and fauna.
山区是许多稀有植物和动物的家园。
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2.The hikers were amazed by the stunning views from the backcountry district.
徒步旅行者对山区惊人的景色感到惊叹。
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3.The backcountry district has been designated as a national park due to its unique natural beauty.
由于其独特的自然美景，山区已被指定为国家公园。