| 释义 |
switchback/ˈswitʃbæk/n. 1 Brit. a railway at a fair etc., in which the train's ascents are effected by the momentum of its previous descents [英] (游乐场等中的)惊险小铁路 2 (often 常作 attrib.) a railway or road with alternate sharp ascents and descents (铁路或公路的)之字型起伏陡路 |