cross-tunnel

名词 n.

英文释义

名词 n.
  1. A tunnel linking two parallel main tunnels.
    — Despite launching more than a month earlier than Cecilia, Florence is actually due to re-emerge an estimated six weeks later. This is because all of the cross-tunnels to link the main bores will be mined from Florence 's side.

词形变化

cross-tunnels plural

词源

From cross- + tunnel.
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