underground tunnels
地下隧道
railroad tunnels
铁路隧道
drainage tunnels
排水隧道
utility tunnels
公用隧道
road tunnels
公路隧道
tunnels system
隧道系统
tunnels network
隧道网络
tunnels construction
隧道建设
tunnels excavation
隧道挖掘
tunnels safety
隧道安全
many tunnels were built to improve transportation.
为了改善交通，建造了许多隧道。
the city has an extensive network of underground tunnels.
这座城市拥有广泛的地下隧道网络。
exploring ancient tunnels can be an exciting adventure.
探索古老的隧道可能是一场令人兴奋的冒险。
some tunnels are used for transportation, while others are for utilities.
有些隧道用于交通，而另一些则用于公用设施。
the construction of new tunnels is often met with public debate.
新隧道的建设常常引发公众辩论。
wildlife can sometimes be found living in abandoned tunnels.
野生动物有时可以在废弃的隧道中找到栖息地。
some tunnels are designed to withstand natural disasters.
有些隧道被设计成能够承受自然灾害。
tourists can take guided tours through historical tunnels.
游客可以参加导游带领的历史隧道游。
modern tunnels often incorporate advanced technology for safety.
现代隧道通常采用先进的安全技术。
during the war, tunnels were used for strategic movements.
在战争期间，隧道被用于战略调动。
underground tunnels
地下隧道
railroad tunnels
铁路隧道
drainage tunnels
排水隧道
utility tunnels
公用隧道
road tunnels
公路隧道
tunnels system
隧道系统
tunnels network
隧道网络
tunnels construction
隧道建设
tunnels excavation
隧道挖掘
tunnels safety
隧道安全
many tunnels were built to improve transportation.
为了改善交通，建造了许多隧道。
the city has an extensive network of underground tunnels.
这座城市拥有广泛的地下隧道网络。
exploring ancient tunnels can be an exciting adventure.
探索古老的隧道可能是一场令人兴奋的冒险。
some tunnels are used for transportation, while others are for utilities.
有些隧道用于交通，而另一些则用于公用设施。
the construction of new tunnels is often met with public debate.
新隧道的建设常常引发公众辩论。
wildlife can sometimes be found living in abandoned tunnels.
野生动物有时可以在废弃的隧道中找到栖息地。
some tunnels are designed to withstand natural disasters.
有些隧道被设计成能够承受自然灾害。
tourists can take guided tours through historical tunnels.
游客可以参加导游带领的历史隧道游。
modern tunnels often incorporate advanced technology for safety.
现代隧道通常采用先进的安全技术。
during the war, tunnels were used for strategic movements.
在战争期间，隧道被用于战略调动。
探索常用高频词汇