英文關鍵字
alga
animal
animals
aqua
aquatic
arctic
bell
black
bottom
clean
clear
coelenterates
colonies
diving
fauna
flabellata
food
hydroid
hydrozoa
invertebrate
invertebrates
jelly
jellyfish
life
marine
medusa
nature
nutans
ocean
picturesque
plankton
polyp
predator
pure
scuba
scubadiving
sea
search
seaware
seaweed
tubulariae
under
undersea
underwater
water
white
wild