adj.有木纹的，除去毛的，漆成木纹的；木纹状； 英英释义： grain[ ɡreind ]n.a small hard particle"a grain of sand"foodstuff prepared from the starchy grains of cereal grasses同义词：food graincereala weight unit used for pearls or diamonds: 50 mg or 1/4 carat同义词：metric grain1/60 dram; e