英文關鍵字
animal
aquatic
blocks
blue
bottom
concrete
coral
danger
dangerous
deep
dive
divers
diving
filmed
fin
fish
grey
life
marine
murky
nature
ocean
original
predator
reef
resting
sand
sea
shark
sound
swimming
teeth
tip
travel
tropical
under
undersea
underwater
vacation
water
while
white
wild
wilderness
wildlife