英文關鍵字
acclimatization
agricultural
agriculture
alone
beak
big
bird
black
breed
breeding
brown
business
camelus
captivity
couple
cultivation
dromaiusnovaehollandiae
entrepreneurship
farm
farming
fast
fattening
feathers
feeding
female
fence
flightless
food
funny
grass
hangar
home
important
laughing
legs
long
male
meat
nature
neck
ostrich
paddock
poultryfarming
powerful
siberia
somali
struthio
subtype
tall
worth