英文關鍵字
animal
crate
enclosure
farm
farming
farrowing
feeding
hungry
mammal
modern
pen
piggy
piglets
pigs
pink
pipes
protection
small
sow
structure
sucking
suckling
video
英文關鍵字
animal
crate
enclosure
farm
farming
farrowing
feeding
hungry
mammal
modern
pen
piggy
piglets
pigs
pink
pipes
protection
small
sow
structure
sucking
suckling
video