英文關鍵字
agrarian
agricultural
agriculture
animal
breeding
brown
cage
claws
countryside
ears
farm
farming
fencing
four
fur
gnawer
herbivorous
industry
kennel
large
legs
live
mammal
muzzle
nose
nursery
nutria
orange
rodent
rural
swamp
tail
teeth
waterfowl
white
wool
yellow