名词

1. 谷粒
A grain of wheat, rice, or other cereal crop is a seed from it.

2. 谷物（尤指小麦或玉米）
Grain is a cereal crop, especially wheat or corn, that has been harvested and is used for food or in trade.

3. 细粒;微粒;小颗粒
A grain of something such as sand or salt is a tiny hard piece of it.

1. the physical composition of something (especially with respect to the size and shape of the small constituents of a substance)

e.g. breadfruit has the same texture as bread
sand of a fine grain
fish with a delicate flavor and texture
a stone of coarse grain

Synonym: texture

2. the direction, texture, or pattern of fibers found in wood or leather or stone or in a woven fabric

e.g. saw the board across the grain

3. the smallest possible unit of anything

e.g. there was a grain of truth in what he said
he does not have a grain of sense

4. foodstuff prepared from the starchy grains of cereal grasses

Synonym: food graincereal

5. a relatively small granular particle of a substance

e.g. a grain of sand
a grain of sugar

6. a cereal grass

e.g. wheat is a grain that is grown in Kansas

7. dry seed-like fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn

Synonym: caryopsis

8. 1/7000 pound
equals a troy grain or
64. 799 milligrams

9. 1/60 dram
equals an avoirdupois grain or
64. 799 milligrams

10. a weight unit used for pearls or diamonds: 50 mg or 1/4 carat

Synonym: metric grain

11. the side of leather from which the hair has been removed