英文關鍵字
alligator
america
animal
attack
big
brazil
caiman
carnivore
crocodile
crocodiles
crocodylus
danger
environment
farm
feed
food
hunter
jaws
lake
meat
mouth
natural
nature
northern
pantanal
park
pond
porosus
predator
reptile
river
saltwater
south
teeth
territory
water
wetland
wild
wildlife
yacare
zoo