英文關鍵字
cow
grazing
field
grass
white
black
spots
yellow
tag
ear
green
pasture
farming
livestock
agriculture
rural
scene
countryside
nature
outdoors
animal
husbandry
bovine
cattle
herd
meadow
farm
animals
dairy
beef
holstein
friesian
grassland
pastoral
ranch
farmland
country
life
organic
free
range
behavior
eating
foraging
herbivore
ruminant
domestic
breeding
identification
marking
tracking
sustainable
mammal
brown