名词
中文翻译：爬行道
同义词：
['tunnel', 'crawlspace', 'tunnelway']
例句：
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1.The tunnel is so narrow that it's almost impossible to pass through.
这个隧道太窄了，几乎无法通过。
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2. The tunnel was built to help flood victims escape quickly.
这个隧道是为了帮助洪水受害者迅速逃脱而建造的。
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3. The tunnel is used for transportation and storage of goods.
这个隧道用于货物运输和储存货物。