grain

• 指谷类植物的种子或果实，如小麦、水稻、玉米等的颗粒，通常可食用；也可泛指颗粒状物质。

A noun referring to a small, hard seed or fruit of a cereal plant, such as wheat, rice, or corn, often used as food.

1. Cereal cropA2formal

   The small, hard seeds of plants such as wheat, rice, or corn, used for food.

   谷物

   • Farmers harvest grain in the autumn.
   • Bread is made from grain.
   • The country exports large quantities of grain.

   同义词cerealcorngristkernelseed

2. Small particleB1formal

   A tiny, hard piece of something, such as sand or salt.

   颗粒

   • A grain of sand got into my eye.
   • She added a grain of salt to the recipe.
   • The table was covered in grains of dust.

   同义词bitcrumbfleckgranulemoteparticlepelletspeck

3. Texture or patternB2formal

   The natural pattern or texture of wood, stone, or other materials.

   纹理或纹路

   • The wood has a beautiful, smooth grain.
   • The marble's grain is unique to this quarry.
   • He sanded the surface to highlight the grain.

   同义词patternsurfacetexture

4. Small amountB1informal

   A very small quantity or amount of something.

   一丁点

   • There is a grain of truth in his story.
   • She didn't have a grain of common sense.
   • He showed a grain of kindness towards the stranger.

   同义词atombitcrumbdashhintiotajotmitemodicumparticlescintillasmidgenspecktracewhit

• 动词，指使物质形成细小的颗粒，或使表面具有颗粒状的纹理。

A verb meaning to form into small, hard particles or to give a granular texture to a surface.

1. To form into grainsB2formal

   To form or cause to form into small, hard particles or grains.

   使成颗粒

   • The sugar began to grain as it cooled.
   • The mixture will grain if you stir it too quickly.
   • The salt grains easily when exposed to moisture.

   同义词crystallizegranulate

2. To give a granular textureC1formal

   To give a surface a rough, granular texture, often for aesthetic or functional purposes.

   使表面呈颗粒状纹理

   • The artist grained the canvas to create a unique effect.
   • The carpenter grained the wood to match the antique finish.
   • The leather was grained to make it more durable.

   同义词abradegranulategritroughensandtexture