mountain bike

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They snowboard over cliffs and mountain-bike down steep mountains.
他们对滑雪的悬崖和山地自行车下陡峭的高山。
He borrowed a too-small mountain bike that was very difficult for a grown man to ride.
他借了别人一个山地车，车太小了，对成年人来说太难骑了。
He did not attend to two previous rallies (Rally Turkey and Rally Australia) due to breaking his arm in a mountain-bike accident. His rival, Ford's Marcos Gronholm had a very terrible weekend.
由于在骑山地车时手臂骨折，勒布没有能够参加最近的两场比赛，包括土耳其拉力赛，和本周的澳大利亚拉力赛。
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so like off-road triathlons where you mountain bike
所以，像越野铁人三项，你骑山地自行车
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Confident Taiwanese firms are now trying to revive western markets, which have been flat since the mountain-bike boom ended a couple of years ago, by shifting the emphasis from leisure cycling to commuting.
ECONOMIST: Old names have lost their puff
"The more you know your teammates, the less likely you are to take comments made in the midst of sleep deprivation personally, " says Sara Ballantyne, 38, a professional mountain-bike racer who helped lead Team Vail to victory in last year's Eco-Challenge in Morocco.
FORBES: Hypothermia for Fun and Profit
When she wasn't on the slopes she was roaring along mountain roads on her powerful motor-bike.
ECONOMIST: Régine Cavagnoud

a bicycle with thick tyres and a lot of gears, originally made for riding on hills and rough ground, but now often used on roads

A mountain bike is a type of bicycle that is suitable for riding over rough ground. It has a strong frame and thick tyres.

山地车
By taking the mountain bike with full suspensions as examples, the dynamic model of the rider-mountain bike coupled system is constructed using the theory of multi-body system dynamics and biomechanics. By means of ADAMS dynamic analysis software, the simulations of kinematics and dynamics are implemented.
论文取得如下创造性成果:以某型全悬架山地车为例,利用多刚体动力学理论和人体生物力学理论建立了人—山地车耦合系统的动力学模型,并借助动力学分析软件ADAMS实现了运动学仿真和动力学仿真,进而为后续山地车的动态性能分析奠定了坚实的基础。
体育
山地自行车
山地自行车赛