英文關鍵字
droplet
fall
water
blue
drop
purity
falling
wave
circle
liquid
view
reflection
ripple
nature
slow
abstract
splash
above
four
motion
background
rain
clear
splashing
macro
clean
surface
concentric
move
transparent
circular
top
drip
concept
cold
ring
aqua
moving
environment
round
light
natural
cool
movement
flowing
health
rippled
raindrop
up