英文關鍵字
adult
animal
animals
approaching
aviary
beast
big
boar
body
brown
close
coming
dangerous
dirty
dominant
ears
eat
eats
environment
farm
fence
fencing
food
forest
full
green
growing
hog
huge
husbandry
large
look
male
mammal
massive
mesh
natural
nature
netting
observing
outdoors
paddock
people
pig
side
smell
sniffing
snout
standing
staring
strong
summer
testicles
tusks
view
walk
walking
white
wild
zoo