英文關鍵字
agricultural
agriculture
animal
animals
bacon
barn
building
care
contemporary
cute
domestic
eating
equipment
examining
expertise
explosion
factory
farm
farming
feeding
flu
food
group
husbandry
illness
indoors
industrial
industry
job
livestock
mammal
meat
men
occupation
pig
piglet
pigpen
population
pork
production
protected
protective
responsibility
small
snout
sow
suit
swine
task
worker
young