tun‧nel 1 W3 / tʌnl / 名词 [可数名词]
1 a passage that has been dug under the ground for cars, trains etc to go through :
a railway tunnel
the Channel Tunnel (= between England and France )
2 a passage under the ground that animals have dug to live in
COLLOCATIONS
ADJECTIVES/NOUN + tunnel
a two-mile/1500-foot-long etc tunnel A 250-metre-long tunnel provides access to all parts of the development.
a dark tunnel He peered uneasily down the dark tunnel at the end of the platform.
a narrow tunnel She ran down the narrow tunnel leading to the exit.
an underground tunnel The prisoners escaped through an underground tunnel.
a rail/railway tunnel the 15km long Gotthard railway tunnel
a road tunnel a road tunnel through the mountains
the Channel Tunnel (= the tunnel under the sea between England and France ) They went by train via the Channel Tunnel.
短语
the roof of a tunnel The roof of the tunnel was a foot above his head.
the entrance to a tunnel/tunnel entrance To the right was the entrance to a second tunnel.
动词
dig a tunnel Burglars had dug a tunnel under the building in an attempted raid.
build a tunnel The contractors will start building the tunnel next month.
a tunnel leads somewhere The Greenwich Foot Tunnel leads under the RiverThames.