名词中文翻译
中文翻译：洞穴
同义词：
['cave', 'hollow', 'pit']
例句：
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1.The cave was filled with bats and their echoes.
洞穴里充满了蝙蝠和它们的回声。
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2.The hollow tree trunk is home to a variety of insects.
空心的树桩是各种昆虫的家园。
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3. The pit was too deep for the boy to climb out.
那个坑太深了，男孩爬不出来。