英文關鍵字
agriculture
animal
animals
are
bellied
belly
black
bred
clip
cute
domestic
farm
fat
fauna
footage
for
genetically
hog
indoor
lawn
living
mammal
natural
nature
nose
pet
pig
pigs
pork
pot
potbellied
properly
reduce
rural
size
sized
sleeping
small
sow
suitable
their
these
trained
video
vietnam
vietnamese
walking