英文關鍵字
aggregate
agricultural
agriculture
complex
countryside
crop
day
equipment
farm
farmer
farming
field
grass
green
growing
harrow
harrowing
improve
industry
land
landscape
lawn
level
leveling
machine
machinery
nature
panorama
plough
plow
plowed
plowing
processing
red
rural
sky
soil
structure
summer
surface
technology
tractor
view
work
working