名词
中文翻译：洞
同义词：
['cave', 'hole', 'crevice']
例句：
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1.The cathole in the wall is big enough for a small dog to fit through.
墙上的洞足够小，一只小狗可以穿过。
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2.The explorers found a cathole that led to an underground cave.
探险者们发现了一个通往地下洞穴的洞。
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3. The cathole was filled with water and mud, making it difficult to get out.
这个洞里充满了水和泥，很难出去。