英文關鍵字
agricultural
agriculture
animal
animals
bacon
barn
boar
breeding
building
cage
contemporary
cute
domestic
eating
equipment
explosion
factory
family
farm
farming
feeding
flu
food
group
growth
hog
husbandry
illness
indoors
industrial
industry
little
livestock
looking
mammal
meat
pandemic
pig
piggy
pigpen
pink
population
pork
production
sleeping
snout
straw
swine
white