英文關鍵字
agricultural
alley
america
bicolor
bio
blue
cereal
chad
chimney
contain
crops
cultivation
europe
factory
family
feed
field
flour
fodder
glucose
gluten
grains
grass
green
grown
harvest
india
juice
lush
plant
poaceae
poplar
production
purposes
sky
sorghum
states
straws
sudan
technical
trees
united
variant