英文關鍵字
agriculture
autumn
barley
bread
cereal
change
combine
corn
country
crop
cultivate
cut
ear
equipment
farm
farmer
farming
farmland
field
focus
focuschange
food
gold
golden
grain
grow
harvest
harvester
harvestwheat
heavy
industry
land
machine
machinery
modern
plant
produce
ripe
rural
rye
scene
season
seed
straw
summer
technology
tractor
transport
wheat
work