基本解釋

• 廻頭曲線(xiàn)

英英字典

柯林斯英英字典

• A hairpin curve or a hairpin is a very sharp bend in a road, where the road turns back in the opposite direction.

• hairpin curve劍橋字典
• hairpin curve柯林斯字典

專(zhuān)業(yè)釋義

交通運(yùn)輸工程

• 發(fā)針形曲線(xiàn)