英文關鍵字
agricultural
agriculture
animal
baby
birth
breast
commotion
competition
competitive
dinner
dirty
epidemic
factory
family
farm
fat
feeding
fighting
flu
group
growth
hungry
lactation
life
line
little
lunch
mammal
meal
mother
nature
nurse
pandemic
pig
piggy
piglet
pink
pork
push
row
rush
small
snout
sucking
suckling
swine
tail
udder
young