英文關鍵字
agriculture
animal
biology
blue
books
bookstore
botany
brown
bull
cattle
colombia
cow
cows
farm
farming
field
grass
graze
grazing
green
herd
horse
horses
landscape
mammal
meadow
nature
pasture
rural
sky
study
英文關鍵字
agriculture
animal
biology
blue
books
bookstore
botany
brown
bull
cattle
colombia
cow
cows
farm
farming
field
grass
graze
grazing
green
herd
horse
horses
landscape
mammal
meadow
nature
pasture
rural
sky
study