英文關鍵字
after
agricultural
agriculture
and
big
blue
cash
cereal
clip
cob
cobs
corn
crop
day
dry
efficient
equipment
essential
farming
fast
food
footage
from
fuel
hand
hands
harvest
heavy
held
lot
machine
machinery
maize
many
method
pile
powered
process
produce
ranch
red
removes
shelled
sheller
shot
showing
slide
store
technology
thresher
threshing
tool
use
video