英文關鍵字
water
funnel
whirlpool
macro
liquid
blue
clean
vortex
swirl
hole
wave
spiral
flow
whirl
surface
transparent
rotation
outflow
leak
drain
aqua
turning
flowing
top
round
fluid
bubble
twist
pure
clear
stream
circular
sea
pool
reservoir
bathtub
sink
speed
circle
motion
cyclone
texture
ripple
tornado
natural
design
color
background
view
action