名词中文翻译
中文翻译：封闭的洞
同义词：
['closed space', 'sealed hole']
例句：
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1.The tunnel was so narrow that it felt like a closed hole.
隧道太窄了，感觉像是一个封闭的洞。
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2.The car's engine compartment is a closed hole where the mechanics work.
汽车引擎舱是一个封闭的洞，那里是机械师工作的地方。
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3. The scientist found a closed hole in the rock formation.
科学家在岩石构造中发现了一处封闭的洞。