英文關鍵字
above
acre
aerial
agricultural
agriculture
agronomy
air
august
autumn
baking
berry
bio
biofuel
bird
bran
brazil
bread
california
canada
cane
cereal
chop
chopping
cobs
combine
corn
country
countryside
crob
crop
cultivated
cultivation
cultivator
cutting
driver
drone
dusk
eco
engine
equipment
europe