The utility model has the advantages that the descending speed of the rock climber is controlled within a safe range;

本实用新型的 优点是：控制攀登者下降速度在安全范围；

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Other times, using a climbing dyno allows the rock climber to bypass a much more technically difficult section of rock climbing, thereby saving energy.

另一些时候，利用动态攀岩可以让攀岩者避开一个需要更难技术动作的区域，从而节省体力。

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This exercise trains the rock climber to climb with good climbing technique even when pumped, while at the same time, building up climbing endurance by pushing a climber to their maximal limit.

这个练习训练攀岩者即使在手臂僵硬的时候仍要运用好的技术，同时通过突破攀岩者的最大极限建立攀岩耐力。

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The belayer then gives more rope up to the lead climber as he moves up the rock.

VOA: special.2009.12.09

The lead climber attaches his rope to devices in the rock as he climbs up.

VOA: special.2009.12.09

Rock walls made of wood or concrete have places for the climber's hands and feet.

VOA: special.2009.12.09

Ascending a free hanging rope that twists in the breeze and juts over an edge (how sharp is that rock?) is one of the scariest things a climber can do.

WSJ: Training for the Big Wall | By Michael J. Ybarra

As details of Sharp's death became public it emerged that 40 climbers had passed him, making no attempt to save the stricken climber as he lay stranded in the scant shelter of a rock alcove on the mountain's northeast ridge.

CNN: The height of teamwork on Everest