英文關鍵字
air
arctic
autumn
blur
blurred
brook
bubbles
cell
chilly
clear
close
cold
contrast
crystal
dark
detail
dissolve
dynamic
effect
falls
floating
flow
flowing
foam
freeze
frost
froth
frozen
icy
level
light
motion
mountain
moving
mystic
nature
noisy
rapids
reflections
river
scene
season
smooth
soft
sounds
splash
spray
stone
stream
swirl
transparent
turning
water
wave
wet
whirlpools
wild