英文關鍵字
agricultural
baby
bacon
barn
boar
breeding
crisis
curious
diabetes
dirty
drinking
ears
enclosure
england
face
family
farmer
farming
fat
feeding
female
free
group
growth
happy
hay
health
hog
homestead
livestock
look
mammal
mother
newborn
nose
obesity
outside
pet
pig
piggy
piglet
portrait
production
range
smile
snout
sun
sunshine
swine