a single seed of rice, wheat, or other similar food plants; crops from plants which produce these seeds, especially wheat
tiny hard bit
the natural arrangement of the threads or fibers in wood, flesh or cloth
very small amount
the basic quality or characteristic of sth/sb
"a grain of sand"
"a grain of sugar"
"wheat is a grain that is grown in Kansas"
"there was a grain of truth in what he said"
"he does not have a grain of sense"
"saw the board across the grain"
"breadfruit has the same texture as bread"
"sand of a fine grain"
"fish with a delicate flavor and texture"
"a stone of coarse grain"
"His hands were grained with dirt"
Nor could he starve Naples out, since it was plentifully supplied with grain.
出自： R. Graves
Fruit trees took the place of grain fields.