英文關鍵字
actively
agricultural
agriculture
close-up
cob
cobs
container
corn
cornfield
crops
during
environment
equipment
falling
farm
farming
farmland
field
food
from
grain
harvest
harvesting
husks
industry
into
kernel
kernels
machine
machinery
mechanical
operation
outdoor
process
produce
rural
season
separating
setting
shell
shelling
technology
working