英文關鍵字
animal
aquatic
beaver
bite
branches
brown
build
builder
carpenter
castor
chew
claws
close
closeup
constantly
cut
dam
den
eating
family
feeding
food
gnaw
granaries
green
hands
holding
leaves
mammal
nature
nibbling
pond
pure
reflections
ripples
river
rodent
roots
side
southern
summer
teeth
through
vegetation
water
wild
wildlife
wood
work