TTRa road or track that goes up and down steepslopes and around sharpbends 〔陡坡上公路或铁路的〕之字形爬坡路段;多急转弯的道路
Examples from the Corpus
switchback• Then, gradually the routewounddownward, switchback after switchback.• The trailloops to the southflank of Eddy, then climbs 900 feet with seven switchbacks.• You can see its deep canyons, the switchbacks of a few trails.• And what does the switchback say about the company, the media sector and the mood in the economy?• Very soon he will be up for Oscars and head over heels in the switchbackstrip of movies.• How do people endure this switchback of emotion?• It was a tortuous, switchbackride.