英文關鍵字
adult
alone
american
animal
artiodactyl
askania
autumn
beautiful
bison
breed
brown
buffalo
bull
calm
drought
earth
eat
endanger
faltz
fein
field
general
graze
hay
heavy
horned
landscape
life
livestock
lonely
male
mammal
nature
nova
peacefulness
prairie
relict
reserve
safari
sky
stand
steppe
ukraine
wild
wildlife
wool
yellow