英文關鍵字
active
africa
african
animal
baby
beast
body
brown
bubbles
dangerous
displaying
dominance
dominant
emotional
entertain
fauna
fine
happy
hipo
hippo
hippopotamus
large
little
mammal
mouth
nature
nice
nose
open
outdoor
park
river
sharp
small
south
splendid
sun
sunny
swim
tooth
water
waterhorse
wide
wild
wilderness
wildlife
zoo