英文關鍵字
action
agricultural
agriculture
agronomy
arable
autumn
brown
business
crop
cultivate
cultivated
dirt
drive
dust
earth
engine
equipment
farm
farming
field
furrow
harrow
industry
land
machine
motion
mould
one
plough
plow
plowed
rake
red
rural
season
seed
sky
soil
sow
sowing
spring
tires
tractor
vehicle
video
wheat
wheel
working
yield