pump track
noun [ C ] uk/ˈpʌmp ˌtræk/ us/ˈpʌmp ˌtræk/
由弯道和小坡组成的山地自行车或滑轮板赛道
a track consisting of turns and small hills that is designed to be used by people on mountain bikes (= bicycles with thick tyres originally designed to be ridden on hills and rough ground ), skateboards (= narrow flat boards with wheels underneath), etc.
Pump tracks can be ridden using a bike, scooter, skateboard and even wheelchairs.
Pump tracks are designed to maximize your momentum, so you can ride it with minimal pedalling. 山地自行车赛道旨在最大程度地利用人的动量，因此可以用最小的踏力在上面骑行。
- More examples
- He spends hours riding on the dirt jumps and pump tracks near the beach.
- A pump track is a small, looping trail that you can ride continuously without even having to pedal!