英文關鍵字
animals
arctos
bear
bears
big
blizzard
bog
brown
careful
closeup
covered
danger
dangerous
eat
environment
european
evening
fauna
forest
grizzly
habitat
juvenile
life
mammals
name
natural
nature
predators
run
scientific
season
seasons
smell
sniff
snow
snowfall
snowstorm
snuff
spring
swamp
taiga
twilight
ursus
video
walk
weather
white
wild
wilderness
wildlife
wind
winter
woods