英文關鍵字
agriculture
animal
artificial
beautiful
beef
breeding
bucket
calcium
calf
cattle
clothing
countryside
cow
cows
drink
drinking
falling
farm
farmer
flows
food
footwear
grass
green
hand
handicraft
industrial
legs
mammal
manual
meadow
method
milk
milking
nature
old
outdoor
outdoors
people
person
protein
recording
side
small
summer
tail
top
udder
udders
view
white
work
worker
yard
young