英文關鍵字
algae
angle
aquatic
background
blue
clean
clear
close
color
detail
diving
ecosystem
environment
fish
flora
flower
fresh
freshwater
grass
green
habitat
lake
lakes
landscape
life
light
lutea
natural
nature
outdoor
plant
pond
river
scene
season
seaweed
stream
summer
sun
sunlight
surface
under
underwater
view
water
weed
world
yellow