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单词 tunnel
释义

WordReference Random House Learner's Dictionary of American English © 2024
tun•nel /ˈtʌnəl/USA pronunciation   n., v., -neled, -nel•ing or ([esp. Brit.)] -nelled, -nel•ling. 
n. [countable]
  1. Civil Engineeringan underground passage, esp. one for trains or automobiles:Planning was underway to build a tunnel under the English Channel.

v. 
  1. Civil Engineeringto make or dig out (a tunnel ) through or under (something): [+ object]to tunnel one's way out of prison.[no object]to tunnel out of prison.
tun•nel•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2024
tun•nel  (tunl),USA pronunciation n., v., -neled, -nel•ing or (esp. Brit.) -nelled, -nel•ling. 
n. 
  1. Civil Engineeringan underground passage.
  2. Civil Engineeringa passageway, as for trains or automobiles, through or under an obstruction, as a city, mountain, river, harbor, or the like.
  3. Miningan approximately horizontal gallery or corridor in a mine.
  4. Zoologythe burrow of an animal.
  5. Slang Terms[Dial.]a funnel.

v.t. 
  1. Civil Engineeringto construct a passageway through or under:to tunnel a mountain.
  2. Civil Engineeringto make or excavate (a tunnel or underground passage):to tunnel a passage under a river.
  3. to move or proceed by or as if by boring a tunnel:The river tunneled its way through the mountain.
  4. Civil Engineeringto pierce or hollow out, as with tunnels.

v.i. 
  1. Civil Engineeringto make a tunnel or tunnels:to tunnel through the Alps.
  • Middle French tonele, tonnelle funnel-shaped net, feminine of tonnel cask, diminutive of tonne tun; see -elle
  • late Middle English tonel (noun, nominal) 1400–50
tunnel•er*  [esp. Brit.,] tunnel•ler, n. 
tunnel•like′, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
tunnel /ˈtʌnəl/ n
  1. an underground passageway, esp one for trains or cars that passes under a mountain, river, or a congested urban area
  2. any passage or channel through or under something
vb ( -nels, -nelling, -nelled) ( US -nels, -neling, -neled)
  1. (transitive) to make or force (a way) through or under (something): to tunnel a hole in the wall, to tunnel the cliff
  2. (intr; followed by through, under, etc) to make or force a way (through or under something)
Etymology: 15th Century: from Old French tonel cask, from tonne tun, from Medieval Latin tonna barrel, of Celtic origin

ˈtunneller, US ˈtunneler n
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