英文關鍵字
active
adorable
animal
army
assist
assistance
brave
breed
breeding
canine
cuddle
cute
detecting
devotion
dog
drugs
exhibition
friend
friendship
german
guard
healthy
help
herding
intelligent
isolated
k9
kennel
lead
leash
master
military
obedient
pedigree
performing
pet
police
protection
purebred
reliable
rescue
search
security
shelter
shepherd
show
smart
special
trained
unit