英文關鍵字
aggression
alaska
animal
bear
brothers
brown
carnivore
catch
claw
competing
cub
dangerous
eating
family
fight
fighting
fish
fishing
food
fur
grizzly
hungry
hunting
kamchatka
killer
lake
mammal
mother
mouth
nature
outdoors
park
paw
predator
rivalry
river
salmon
siblings
splash
strong
water
wild
wildlife
young