英文關鍵字
cows
agriculture
animal
barn
black
cattle
dairy
milk
butter
eat
hay
paddock
farm
feed
grass
holstein
livestock
mammal
nature
product
cow
farming
food
industry
domestic
production
industrial
meat
beef
calf
grazing
herd
rural
white
factory
modern
stall
agricultural
bovine
country
cowshed
husbandry
ranch