英文關鍵字
animal
army
attack
attacks
away
beagle
bites
breed
canine
clings
criminal
cynologist
demonstration
detention
dog
forces
friend
german
grass
guard
job
military
nature
officer
outdoor
outside
patrol
people
performance
pet
police
policeman
protection
purebred
runs
russia
security
service
sheepdog
shepherd
show
soldiers
special
staff
trainer
training
uniform
working