英文關鍵字
agricultural
agriculture
approval
autumn
cereal
collection
combine
container
corn
country
crop
delivery
detail
efficient
equipment
extension
fall
falling
farm
farming
farmland
fast
field
flow
flowing
food
funnel
golden
grain
grains
harvest
harvested
harvester
harvesting
heap
hopper
industry
loading
machine
nature
pile
plant
rural
season
seed
technology
tractor
truck
wheat
work