英文關鍵字
animal
animals
aquarium
aquatic
away
blue
bottlenose
bye
creature
delphinidae
dolphin
dolphins
entertainment
fin
fish
flipper
funny
goodbye
happy
head
intelligent
joy
leave
life
mammal
marine
nature
ocean
pectoral
perform
play
playful
pool
say
sea
show
smile
splash
summer
swim
swimming
tail
under
underwater
water
wet
wild
wildlife
young