英文關鍵字
agriculture
animal
black
chewing
content
contentedly
cow
cud
dairy
distant
farming
fields
grass
grassland
gray
grazing
green
herd
hill
holstein
meadows
milking
outdoors
pasture
sky
udder
video
white
英文關鍵字
agriculture
animal
black
chewing
content
contentedly
cow
cud
dairy
distant
farming
fields
grass
grassland
gray
grazing
green
herd
hill
holstein
meadows
milking
outdoors
pasture
sky
udder
video
white