Bouldering (to boulder) - Climbing unroped on boulders or at the foot of climbs to a height where it is still safe to jump off.

• 抱石攀登。在大石头或者攀登路线的基部无绳攀登，高度不高，即使脱落也可以安全落地。通常用于练习横移，重心移动和手脚的动作。