名词
中文翻译：洞
同义词：
['cave', 'hole', 'crevice']
例句：
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1.The kids were playing hide-and-seek in the big cave.
孩子们在巨大的洞穴里玩捉迷藏。
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2. The explorers found a small hole in the rocky terrain.
探险者们在崎岖的地形中发现了一个小洞。
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3. The scientist used a laser to drill a hole into the wall.
科学家用激光钻了一个洞到墙上。