英文關鍵字
abstract
background
bubble
clean
cool
drip
drop
droplets
fall
flow
flowing
grey
liquid
misty
natural
nature
pattern
rain
raindrop
raindrops
rainfall
raining
rainy
reflection
sad
shower
solitude
splashing
spring
storm
summer
surface
tears
texture
transparent
urban
vintage
water
weather
wet
window