英文關鍵字
barley
bread
breadstuff
cereal
cereals
contemplation
corn
crop
croup
divide
division
drying
factory
farm
flour
grade
grain
grains
granule
grinder
groats
grow
judder
kernel
manufactory
mill
oats
plaiting
plant
quality
rye
rying
seed
segregation
separate
separation
shake
siccative
sieve
sift
sifting
survey
wheat
works