英文關鍵字
abstract
abstraction
background
bright
brown
bubble
clean
close
color
day
dirty
ecology
environment
foam
lake
light
liquid
local
motion
natural
nature
pollute
pollution
reflect
reflection
ripple
river
shadow
shimmer
shiny
slow
summer
sunlight
sunny
surface
texture
tranquil
view
water
wave
wet
white