英文關鍵字
mountaineer
mountaineers
alpinism
mountaineering
mountain
climbing
climber
climbers
mountains
climb
climbs
recreation
hard
tough
ascent
steep
cliff
cliffs
sheer
wall
rock
rocks
stone
clips
ascending
traversing
alpine
alps
rockies
rocky
california
axe
grip
footing
challenge
harness
straps
rope
ropes
gloves
difficult