名词
中文翻译：隧道
同义词：
['trench', 'tunnel', 'shaft', 'conduit', 'gallery', 'duct', 'conduit line', 'conduit system', 'conduit construction例句：1. The engineer designed a new tunnel to connect the two cities.（工程师设计了一条新的隧道连接两个城市。）']
例句：
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1. The engineer designed a new tunnel to connect the two cities.
工程师设计了一条新的隧道连接两个城市。
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2.The tunnel is used for transportation and storage of goods.
这条隧道用于运输和储存货物。
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3.The tunnel was completed in three years and opened to the public.
这条隧道在三年内完成并对外开放。