Hairpin turn 发夹弯

（重定向自Hairpin curve）

Road D2204 ascends to the Col de Braus using hairpin bends in the Alpes Maritimes in the French Alps (43°51′58.0″N 7°22′50″E / 43.866111°N 7.38056°E / 43.866111; 7.38056)

Some of the 48 hairpin turns near the top of the northern ramp of the Stelvio Pass in Italy

A hairpin turn (also hairpin bend, hairpin corner, etc.), named for its resemblance to a hairpin/bobby pin, is a bend in a road with a very acute inner angle, making it necessary for an oncoming vehicle to turn almost 180° to continue on the road. Such turns in ramps and trails may be called switchbacks in American English, by analogy with switchback railways. In British English "switchback" is more likely to refer to a heavily undulating road—a use extended from the rollercoaster and the other type of switchback railway.

单词	Hairpin curve
释义	Hairpin curve 英语百科 Hairpin turn 发夹弯（重定向自Hairpin curve） A hairpin turn (also hairpin bend, hairpin corner, etc.), named for its resemblance to a hairpin/bobby pin, is a bend in a road with a very acute inner angle, making it necessary for an oncoming vehicle to turn almost 180° to continue on the road. Such turns in ramps and trails may be called switchbacks in American English, by analogy with switchback railways. In British English "switchback" is more likely to refer to a heavily undulating road—a use extended from the rollercoaster and the other type of switchback railway.
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