陡壁悬崖: steep cliffs and crags; there are high cliffs (on both sides)
攀登: climb; clamber; scale 短语和例子攀登科学高峰 scale the heights of science; 攀登珠穆朗玛峰 climb up mt. qomolangma; 单人攀登[体育] solo climb; 攀登者 scaler; 制定攀登计划indoor climbing; 他作了一次艰难的攀登。 he made a difficult cli