英文關鍵字
among
animal
aquarium
aquatic
back
background
beautiful
beauty
blue
bright
bubbles
color
colored
colorful
coral
corals
deep
different
directions
dive
exotic
fish
fishes
ichthyology
inhabitant
inhabitants
life
lot
many
marine
moving
nature
ocean
oxygen
pure
reef
rises
saltwater
science
sea
swims
tank
travel
tropical
under
undersea
underwater
water
wild
wildlife
yellow