grainn.谷物;谷类;微量;颗粒;纹理;格令v.形成(颗粒);(用谷物)喂养
grain wear磨损
grain mark布纹线
grainfieldn.谷物用地
grain bran谷麸
grain wood纹木
grainstone粒状灰岩
grain flow晶粒流动
grain ship谷物船
graininessn.粒状的;多粒的;木纹状的
grain roll铸铁轧辊