英文關鍵字
water
spring
whirlpool
flow
dirty
muddy
fast
river
stream
nature
motion
rapid
environment
bubble
wave
splash
background
liquid
foam
closeup
speed
swirl
wet
flood
abstract
beauty
day
drop
fluid
force
pollution
ripple
spray
surface
ecology
light
detail
brown
flowing
melting
springtime
season
outdoors
beautiful
weather
climate