英文關鍵字
aerial
agricultural
agriculture
agronomy
blue
brown
country
countryside
crop
cultivate
cultivated
cultivation
dirt
drone
dust
earth
environment
equipment
farm
farmer
farming
farmland
field
green
growth
harrow
harvest
industrial
industry
land
landscape
machine
machinery
nature
operation
outdoors
plant
plough
plow
plowed
plowing
rural
scene
season
sky
soil
spring
summer
tractor
vehicle
view
wheel
work
working