| 词汇 | switchback |
| 释义 | switchback noun [ C ] uk/ˈswɪtʃ.bæk/ us/ˈswɪtʃ.bæk/ 之字形的路，急转弯的路 a path, road, or railway that forms very sharp bends from one direction to almost the opposite direction as it goes up and down steep slopes |
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