名词
中文翻译：隧道
同义词：
['tunnel', 'shaft', 'passage', 'tunnel', 'shaft', 'passage例句：1. The engineer designed a new shaft tunnel to connect the two mines.（工程师设计了一个新的矿井隧道，连接两个矿井。）2. The workers were digging a shaft tunnel to reach the surface.（工人们正在挖掘一个矿井隧道，到达地面。）']
例句：
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1. The engineer designed a new shaft tunnel to connect the two mines.
工程师设计了一个新的矿井隧道，连接两个矿井。
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2. The workers were digging a shaft tunnel to reach the surface.
工人们正在挖掘一个矿井隧道，到达地面。
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3.The tunnel was filled with water and had to be cleaned out before it could be used again.
隧道被水填满了，需要清理干净才能再次使用。