switchbacks
n. 在Z形路軌向原來的方向返駛,改變角度( switchback的名詞複數 )
A switchback is a road which rises and falls sharply many times, or a sharp rise and fall in a road.
...a dizzy bus ride over a switchback road.
乘公共汽車駛過一段顛簸起伏的公路時感到頭暈目眩
A switchback is a road which goes up a steep hill in a series of sharp bends, or a sharp bend in a road.
Several hundred yards beyond the first switchback in the road, he came to the second bend.
過了公路上第一個急轉彎幾百碼處,他又遇到了第二個急轉彎。
The Grand Challenge race would be 142 miles of perilous mountain switchbacks and rough, sandy trails.
大挑戰賽車會有228公里危險的蜿蜒山路,以及崎嶇不平又多沙的路面.