英文關鍵字
agriculture
cultivate
cultivated
cultivating
cultivator
cultivators
dirt
earth
engine
equipment
farm
field
garden
gardening
ground
handheld
harrow
harrowing
industrial
loosens
machine
motor
outdoors
plow
power
senior
shovel
soil
spring
technology
tiller
tillers
tool
tools
tractor
walking
work
yard