名词
中文翻译：洞穴
同义词：
['cave', 'cavern', 'crevice', 'tunnel例句：1. The explorers found a cave with a beautiful stalactite formation.（探险者们发现了一个有美丽钟乳石形成的洞穴。）']
例句：
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1. The explorers found a cave with a beautiful stalactite formation.
探险者们发现了一个有美丽钟乳石形成的洞穴。
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2.The cave was filled with darkness and the sound of dripping water.
这个洞穴里一片漆黑，滴水声此起彼伏。
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3.The cave was home to many species of bats, which are nocturnal creatures.
这个洞穴是许多蝙蝠的家园，它们是夜行性生物。