英文關鍵字
amazing
animal
animals
aquatic
arctic
beautiful
bottom
campanularia
clean
clear
coelenterata
coelenterates
colonies
dive
diving
ecological
environment
fauna
flabellata
food
hydroid
hydrozoa
invertebrates
jelly
jellyfish
life
marine
medusa
nature
nodding
ocean
picturesque
plankton
plant
polyp
predator
pure
reproduction
seabed
search
seaweed
undersea
underwater
unique
white
wild