英文關鍵字
agricultural
agriculture
animal
baby
barn
black
breeding
cultivation
curious
cute
dirty
domestic
ears
farm
farming
farmland
fat
food
group
growth
hay
herd
hog
husbandry
industry
little
livestock
mammal
meal
meat
milk
nature
nose
pet
pig
piggy
piglet
pigpen
pink
pork
protein
rural
small
snout
stall
stare
straw
swine
white
young