英文關鍵字
above
action
adventure
aerial
boiling
boulder
brook
cliff
cold
current
energy
extreme
fast
flow
flowing
foaming
freshwater
from
froth
landscape
mountain
nature
pouring
raging
rapid
rapids
river
rock
rocks
rocky
snowmelt
spring
stone
stream
summer
sunny
swift
travel
turquoise
view
water
whitewater
wilderness