corn, crop, grain

molecule, atom, particle, speck, grain

名詞 grain:

1. a small hard particle
2. foodstuff prepared from the starchy grains of cereal grasses
   同義詞：food grain, cereal
3. a weight unit used for pearls or diamonds: 50 mg or 1/4 carat
   同義詞：metric grain
4. 1/60 dram; equals an avoirdupois grain or 64.799 milligrams
5. 1/7000 pound; equals a troy grain or 64.799 milligrams
6. dry seedlike fruit produced by the cereal grasses: e.g. wheat, barley, Indian corn
   同義詞：caryopsis
7. the direction or texture of fibers found in wood or leather or stone or in a woven fabric

動詞 grain:

1. thoroughly work in
   同義詞：ingrain
2. paint (a surface) to make it look like stone or wood
3. form into grains
   同義詞：granulate
4. become granular
   同義詞：granulate

1. We ship grain to Africa.
   我們把谷物運往非洲。
2. Their speculative buying of grain is illegal.
   他們投機購買谷物是不合法的。
3. Stores of grain are frequently attacked by pests.
   儲存的谷物經(jīng)常受到害蟲的破壞。
4. He used a miller to mill the grain into flour.
   他用碾磨機把谷物磨成面粉。
5. A single grain of a cereal plant.
   谷粒禾谷類作物的一個顆粒
6. Grain is their chief export.
   谷物是他們的主要出口物資。

grain

n.Abbr. gr.（名詞）縮寫 gr.

A small, dry, one-seeded fruit of a cereal grass, having the fruit and the seed walls united.Also called caryopsis
谷粒：谷草的小且干燥的單種子果實，果實與種壁連在一起也作 caryopsis
The fruits of cereal grasses especially after having been harvested, considered as a group.
谷物：谷草果實的總稱，尤指已收割后的
Cereal grasses considered as a group:
谷草的總稱：
例句：
a field of grain.
種植谷物的田地

A relatively small discrete particulate or crystalline mass:
顆粒，細粒：相對微小的，分離的顆粒或晶體物質(zhì)：
例句：
a grain of sand.
一粒沙子

A small amount or the smallest amount possible:
微量：一點兒，少許或最小的可能的量：
例句：
hasn`t a grain of sense.
沒有一點意義

Aerospace A mass of solid propellant.
【太空學】 塊狀燃料：一塊固體推進劑
A unit of weight in the U.S. Customary System, an avoirdupois unit equal to 0.002285 ounce (0.0'5 gram).See table at measurement
格令：美國慣用體系的重量單位，一常衡單位等于0.002285盎斯（0.0'5克）參見 measurement
The arrangement, direction, or pattern of the fibrous tissue in wood.
紋理：木頭的纖維組織的排列、方向或圖案

The side of a hide or piece of leather from which the hair or fur has been removed.
粗糙面：皮革的除去毛發(fā)的一面
The pattern or markings on this side of leather.
帶這種面式樣或標記的皮革
The pattern produced, as in stone, by the arrangement of particulate constituents.
紋理：由微小成份的排列所產(chǎn)生的圖案，如石頭中的
The relative size of the particles composing a substance or pattern:
微粒的大小：構成物質(zhì)或圖案的微粒的相對尺寸：
例句：
a coarse grain.
粗糙的微粒

A painted, stamped, or printed design that imitates the pattern found in wood, leather, or stone.
紋理圖案：模擬木頭，皮革或石頭的紋理所畫出的，壓模的或印刷出來的圖案
The direction or texture of fibers in a woven fabric.
織理：紡織品中線的走向或組織
A state of fine crystallization.
完美結晶的狀態(tài)

Basic temperament or nature; disposition.
氣質(zhì)，性情：基本的脾性或天性；氣質(zhì)
An essential quality or characteristic.
本質(zhì)：本質(zhì)或本質(zhì)特征
Archaic Color; tint.
【古語】 染料；顏色
v.（動詞）
grained,grain.ing,grains
v.tr.（及物動詞）
To cause to form into grains; granulate.
使…成粒狀：使…成為顆粒；使…成為粒狀
To paint, stamp, or print with a design imitating the grain of wood, leather, or stone.
漆成木紋狀：繪畫，壓?；蛴∷⒁粋€圖案來模擬石頭，皮革或石頭的紋理
To give a granular or rough texture to.
給…以粒狀或粗糙的結構
To remove the hair or fur from (hides) in preparation for tanning.
去掉（皮的）毛發(fā)以準備鞣制
v.intr.（不及物動詞）
To form grains.
形成顆粒

<習慣用語>with a grain of salt
With reservations; skeptically:
半信半疑地：有保留地；懷疑地：
例句：
Take that advice with a grain of salt.
半信半疑地接受建議

來源：
Middle English
中古英語
from Old French graine
源自 古法語 graine
from Latin gr3num * see g—…-no-
源自 拉丁語 gr3num *參見 g—…-no-

【引伸】
grain.er
n.（名詞）