英文關鍵字
agriculture
animal
baby
barn
beef
birth
black
blackandwhite
born
bovine
calf
cattle
child
clean
country
cow
cows
dairy
domesticated
drink
eye
family
farm
farming
farms
friesian
happiness
hay
healthy
holstein
indoor
industry
koeien
licking
lying
mammal
meat
milk
mother
nature
newborn
ranch
rural
standing
two
white