形容词
中文翻译：未开发的
同义词：
['untapped', 'unexplored', 'underdeveloped']
例句：
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1. The region is still largely undeveloped, with limited infrastructure.
该地区仍然大部分未开发，基础设施有限。
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2. The undeveloped land has the potential to be a thriving community.
未开发的地区有成为繁荣社区的潜力。
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3. The government has been investing heavily in developing these undevelopedareas.
政府一直在大力投资于开发这些未开发的地区。