switchbacks
n.
在Z形路轨向原来的方向返驶,改变角度( switchback的名词复数 );
例句:
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The Grand Challenge race would be 142 miles of perilous mountain switchbacks and rough, sandy trails.
大挑战赛车会有228公里危险的蜿蜒山路,以及崎岖不平又多沙的路面.
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Postal Service cyclists who were racing along the switchbacks ahead of us.
来自NEWYORKER
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The passage shows the tightness of Walser's switchbacks from sweetness to sarcasm and back to sweetness again.
来自NEWYORKER