英文關鍵字
activity
animal
aquatic
background
beautiful
beauty
blue
bright
clear
color
coral
deep
diving
ecosystem
environment
fin
fish
hard
holiday
life
marine
model
movement
national
nature
ocean
ray
red
reef
relaxation
rock
salt
school
schooling
scuba
sea
sky
small
summer
sun
sunlight
travel
tropic
tropical
under
underwater
vacation
water
wild