英文關鍵字
animal
aquatic
beauty
biology
bottom
bright
brown
close
color
colour
dive
ecosystem
environment
fish
grey
holiday
lake
large
light
marine
motion
natural
nature
place
pool
ray
river
rock
sandy
scenery
seascape
slow
small
summer
sunlight
surface
swim
tourism
transparent
travel
tropical
underwater
vacation
view
water
wild
wildlife