英文關鍵字
aggression
alone
anger
angry
attack
backyard
barking
barks
behind
black
breed
brown
captivity
care
chain
close
closed
cute
danger
dogs
domestic
enclosure
fence
fighting
grid
guard
hate
home
hungry
kennel
little
metal
mouth
muzzle
nature
negative
net
noise
outdoor
people
pet
protection
shelter
street
two
white
winter
young