英文關鍵字
beginning
black
bread
combine
equipment
farmers
farming
field
fresh
grain
ground
land
loosening
mechanisms
new
planting
preparation
rides
rules
russia
siberia
soil
somewhere
sow
sowing
special
time
tractor
wheat
work
英文關鍵字
beginning
black
bread
combine
equipment
farmers
farming
field
fresh
grain
ground
land
loosening
mechanisms
new
planting
preparation
rides
rules
russia
siberia
soil
somewhere
sow
sowing
special
time
tractor
wheat
work