名词
中文翻译：长洞
同义词：
['long hole', 'long tunnel', 'long crevice例句：1. The explorers found an oblong hole in the rock face.（探险者们在岩石表面发现了一个长洞。）']
例句：
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1. The explorers found an oblong hole in the rock face.
探险者们在岩石表面发现了一个长洞。
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2. The carpenter made a long hole for the new door.
木匠为新门做了一个长洞。
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3. The river has carved many long holes through the landscape.
河流在这片景观中凿出了许多长洞。