英文關鍵字
bubble
air
water
underwater
movement
bubbly
stream
surface
shape
energy
wet
splash
liquid
slow
flowing
nature
clear
ripple
motion
blue
pure
background
abstract
drink
environment
purity
fresh
droplet
flow
drip
cold
aqua
light
transparent
round
clean
macro
white
backdrop
bright
healthy
fluid
move
splashing
circle
health
closeup
viscosity
foam