n.发夹
There are eighteen hairpin bends on the way up Mogan Mountain.
莫干山上下都是一十八盘.
The road is a succession of hairpin bends, hills, and blind corners.
这条路上急转弯、坡道和死拐角一个接一个。
The roads twist round hairpin bends.
道路呈U字形蜿蜒曲折。