名词
中文翻译：洞
同义词：
['crevice', 'hole', 'fissure例句：1. The worm-hole in the wall is big enough for a small dog to squeeze through.（墙上的洞足够小，一只小狗可以钻进去。）']
例句：
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1. The worm-hole in the wall is big enough for a small dog to squeeze through.
墙上的洞足够小，一只小狗可以钻进去。
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2.The scientist found a worm-hole in the rock and was able to study the planet's atmosphere.
科学家在岩石中发现了一处虫洞，并得以研究这颗行星的大气层。
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3. The worm-hole was too narrow for any larger creatures to pass through.
这个虫洞太窄了，任何较大的生物都无法通过。