| 词汇 | pump-track |
| 释义 | pump track noun[ C ] uk /ˈpʌmp ˌtræk/ us /ˈpʌmp ˌtræk/ 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. : 由弯道和小坡组成的山地自行车或滑轮板赛道 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。 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! Surfaces on which sports take place 18-yard box astroturf backstretch bound bowling green canvas court goal line ground staff hard court midfield MUGA near post off his/her lineidiom out of boundsidiom ring rink sideline skatepark surface |
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