英文關鍵字
africa
african
animal
big
cow
cows
ear
ears
elephant
elephants
female
females
free
game
gray
grey
herbivore
herbivorous
herd
huge
kenya
mammal
many
outdoor
outdoors
outside
park
pass
passing
peaceful
peacefully
row
savanna
savannah
slow
slowly
trunk
trunks
walk
walking
wild
wildlife