grain是一个英语单词，主要用作名词、动词。作名词时意思是“谷物，谷粒；颗粒，细粒；少量；纹理”，作动词时意思是“使表面粗糙；成粒状”等。

英 [ɡreɪn] 美 [ɡreɪn]

n. 谷物，谷粒；颗粒，细粒；少量；纹理；（表面的）质地，触感；格令（旧的重量单位，一格令相当于0.065克）；（照片、底片的）显影颗粒；（用于火箭发动机的）固体推进剂；（皮革或其他类似人工材料的）粗糙面，皱面；（石头和煤等原料的）解理面，劈理面；<古>（人的）性格，天性；<史>胭脂虫，胭脂虫红

v. 使表面（或纹理）粗糙；成粒状；（尤指将家具或内表面）漆成木纹（或大理石纹）；将（生皮）去毛；<美>用谷物喂（马）

【名】 （Grain）（法）格兰（人名）

柯林斯英汉双解大词典

grain /ɡreɪn/ CET4 TEM4

1.N-COUNT A grain of wheat, rice, or other cereal crop is a seed from it. (麦、米等) 粒

2.N-MASS Grain is a cereal crop, especially wheat or corn, that has been harvested and is used for food or in trade. 谷物

3.N-COUNT A grain of something such as sand or salt is a tiny, hard piece of it. 细粒

4.to take something with a grain of salt →see salt

5.N-SING A grain of a quality is a very small amount of it. 一点 [N 'of' n]

6.N-SING The grain of a piece of wood is the direction of its fibres. You can also refer to the pattern of lines on the surface of the wood as the grain. (木材的) 纹理

7.PHRASE If you say that an idea or action goes against the grain, you mean that it is very difficult for you to accept it or do it, because it conflicts with your previous ideas, beliefs, or principles. 同…格格不入

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 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 grain 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