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单词 switchback
释义 switchback
 /swich"bak'/,  n.  
  1. a highway, as in a mountainous area, having many hairpin curves.
  2.  Railroads.   a zigzag track arrangement for climbing a steep grade.
  3.  Brit.   See roller coaster.
  v.i.  
  4. (of a road, railroad track, etc.) to progress through a series of hairpin curves; zigzag: The road switchbacks up the mountain.
 [1860-65, Amer.; SWITCH + BACK2]
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更新时间:2024/11/11 17:43:33