switchback ['swɪtʃbæk]

例句:

• The stream switchback through hills and trees.
  小河在山峦和树木间蜿蜒流去
  
• Several hundred yards beyond the first switchback in the road, he came to the second bend.
  过了公路上第一个急转弯几百码处，他又遇到了第二个急转弯。
  
• The road started to turn in bends and switchback.
  公路变成了那种“之”字形的盘山路.
  
• They travel between trees in a conspicuously uppy-downy switchback flight.
  来自THETIMES
• We dismount at the base of a steep switchback and climb to the ruins.
  来自SA
• Up ahead, at the apex of a switchback, I see a young man sitting alone in a folding chair, miles from anywhere.
  来自CNN