英文關鍵字
alga
amazing
animal
animals
aqua
arctic
background
beautiful
bell
bottom
campanularia
clean
clear
coelenterata
coelenterates
colonies
diver
environment
fauna
food
hydroid
hydrozoa
invertebrate
invertebrates
jelly
jellyfish
life
marine
medusa
nature
nodding
ocean
picturesque
plant
polyp
predator
pure
scuba
scubadiving
search
seaweed
tubulariae
under
undersea
underwater
unique
white
wild
wildlife