英文關鍵字
agriculture
animal
black
bovine
bull
cattle
chew
closeup
clouds
cloudy
country
countryside
cow
curious
day
eat
environment
farm
farming
farmland
field
grass
grassland
graze
green
heifer
herd
husbandry
land
landscape
lawn
livestock
mammal
meadow
meat
motion
movement
muzzle
nature
outdoor
outside
pastoral
pasture
ranch
rural
seven
several
sky
summer
udder