The cracks are too small to get your toes into so the only way to climb is using your fingertips in the cracks, and using opposing pressure and forcing yourself up.
那些裂缝太小，以至于你的脚趾进不去， 所以唯一的攀岩方法是用你的手指尖 插进裂缝里， 用反压力 来把你自己推上去。