英文關鍵字
adult
animal
artiodactyl
autumn
beautiful
bison
breed
brown
buffalo
bull
calm
drought
eat
eating
endangered
feed
field
generation
graze
grazing
hay
heavy
horn
horned
huge
large
life
livestock
male
mammal
massive
molt
natural
nature
outdoor
park
reserve
step
steppe
straw
strong
ukraine
walk
wild
wildlife
wool