英文關鍵字
animal
wild
spring
outdoor
wildlife
nature
mammal
brown
beavers
beaver
natural
wilderness
norway
castor
rodent
entrepreneur
sniffing
grass
smelling
smell
taste
green
tail
walk
walking
forest
trees
norwegian
eurasian
european
europe
scandinavia
eurasia
adult
behind
calm
relaxed
free
environment
habitat
species
log