英文關鍵字
agriculture
animal
attentively
bovine
breed
brown
bull
calf
cattle
chain
chew
country
cow
cute
ear
farm
farming
farmland
fauna
fence
field
fresh
grass
grazing
green
hay
hoof
horns
livestock
looking
mammal
natural
nature
outdoors
pasture
ranch
rural
staring
summer
young