名词
中文翻译：无限区域
同义词：
['unbounded region', 'boundless region']
例句：
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1.The infinite region is home to many rare species of plants and animals.
这个无限区域居住着许多稀有的植物和动物。
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2.The explorers discovered an infinite region that was unexplored by previous expeditions.
探险者们发现了一个未被先前的探险队探索过的无限区域。
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3.The scientist proposed a theory about the infinite region in space.
这位科学家提出了关于太空中无限区域的假设理论。