grain

big sacks of grain.大袋大袋的粮食

Last year’s grain harvest was the biggest ever..去年粮食收成最好。

和brain(n. 大脑)一起记记忆

grain size晶粒大小，晶粒尺寸

in grain彻底

grain production粮谷生产，谷物生产

a grain of一粒…

grain boundary[冶]晶界

a grain of sand一粒沙子

fine grain微粒，细晶粒

grain growth[冶金]晶粒生长；[岩石]颗粒生长

grain crop榖类作物，谷类作物

grain refinement晶粒细化

grain weight粒重；种子量

crystal grain晶粒

against the grain（与某人的性格、感情或愿望等）格格不入；违反意愿

grain size distribution粒度分布；粒度级配

coarse grainn. 谷粒；粗晶粒；饲料用谷类

grain processing粮食加工；谷粒加工

wood grain木纹

grain structure颗粒结构

grain depot粮食仓库，粮库

pollen grain花粉粒