英文關鍵字
acid
backdrop
background
bubble
circle
clean
cool
current
cyclone
detailed
drink
ecology
falling
forming
fresh
freshness
glossy
infinity
light
liquid
motion
nature
pour
purity
ripple
rotating
rotation
round
shape
spin
spiral
storm
swirl
tornado
torrent
trickle
twirl
twist
vortex
water
wave
whirl