英文關鍵字
agricultural
arable
blade
cultivating
cultivator
cutter
day
driving
dust
earth
energy
equipment
farm
farmer
field
garden
gear
grass
ground
heavy
machinery
mechanism
metal
mill
move
old
plant
plough
plow
plowing
prepare
rotary
rural
season
soil
springtime
technology
tillage
tiller
tine
tool
tractor
truck
turning
wheel