| 单词 | switchback | 
| 释义 | switchback1 of 2noun  switch·back  ˈswich-ˌbak    : a zigzag road, trail, or section of railroad tracks for climbing a steep hill    switchback adjective  switchback2 of 2 verb  switchbacked; switchbacking; switchbacks   intransitive verb   : to follow a zigzag course especially for ascent or descent  a trail that switchbacks switchback nounas in roada route that has many sharp turns for climbing a steep hill Synonyms & Similar Words Relevance 
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