名词短语中文翻译
中文翻译：无盖隧道
同义词：
['无顶隧道，无盖通道例句：1. The tunnel was built to connect two cities', "but it's now abandoned and unused.（这个隧道原本是为了连接两个城市而建的，但现在被废弃了。）"]
例句：
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1. The tunnel was built to connect two cities, but it's now abandoned and unused.
这个隧道原本是为了连接两个城市而建的，但现在被废弃了。
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2. The tunnel without cover is a hidden gem in the city.
没有盖的隧道是这座城市的一个隐藏宝藏。
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3. The abandoned tunnel was discovered during a construction project.
在一次建设工程中发现了废弃的隧道。