英文關鍵字
beauty
blur
boot
breakers
chute
clean
dirty
down
environment
fall
flow
fluid
foam
foaming
foliage
green
grimy
heaven
lake
liquid
mirror
move
movement
muddy
nature
overflow
overfull
paradise
park
peace
polution
rain
rainforest
ripple
river
scenic
smell
spry
stony
stream
surface
terrible
wall
water
wave
weir
wild