英文關鍵字
abyssal
animal
background
beach
beautiful
beauty
biology
blue
bright
colorful
coral
deepsea
diver
diving
echinus
ecosystem
environment
eye
fish
floor
inhabitants
landscape
life
marine
nature
ocean
reef
scenes
school
scuba
sea
seabed
sheen
shoal
swimming
tourism
travel
tropical
under
undersea
underwater
unique
urchin
water
wildlife
wonderful
world