tunnel

US /ˈtʌn.əl/
UK /ˈtʌn.əl/
"tunnel" picture
1.

隧道

an artificial underground passage, especially one built through a hill or under a building, road, or river

:
The train passed through a long tunnel.
火车穿过一个长长的隧道
They are building a new road tunnel under the river.
他们正在河下修建一条新的公路隧道
1.

挖隧道, 开凿

to make a tunnel through or under something

:
The prisoners tried to tunnel their way out of the camp.
囚犯们试图挖隧道逃出营地。
Moles tunnel underground, creating complex networks.
鼹鼠在地下挖隧道,形成复杂的网络。