TheEurotunnelisatunnel(隧道)whichcrossestheChannelunderth...
问题详情：TheEurotunnelisatunnel(隧道)whichcrossestheChannelunderthesea,linkingFranceandtheUK.Itisabout50.5kmlongand38kmliesundertheseabed.Therearetrainswhichcarrypassengersandcars,andotherswhichcarryca...