英文關鍵字
animals
barking
bites
breed
carriers
city
civilization
cynology
danger
dirty
disease
dog
domesticate
environment
faithful
fidelity
freeranging
friend
health
howling
hungry
hygiene
illness
infection
insanitary
lonely
lying
medicine
mixedbreed
neuter
pets
problem
public
rabies
sanitary
selflessness
sick
sleeping
social
spay
square
stairs
stray
street
tame
unbred
unhygienic
urban
vet
veterinary