a grain of + [material]
用于表示极小颗粒，常与物质名词连用。
There is a grain of sand in my shoe.
我鞋子里有一粒沙子。
谷粒；籽粒
grains — plural of grain
颗粒；细粒；谷物；粮食；谷类作物；粮食作物；纹理；木纹；皮革粒面
A small hard seed of a food crop such as wheat, rice, or corn.
各类草类粮食作物收获的种子,如小麦、玉米、大麦
The harvested seeds of various grass food crops eg: wheat, corn, barley.
树的枝条；植物的茎秆；分枝。
A branch of a tree; a stalk or stem of a plant; an offshoot.
物质的细小颗粒
a relatively small granular particle of a substance
任何粮食作物的类似种子,如荞麦、苋菜、藜麦
Similar seeds from any food crop, e.g., buckwheat, amaranth, quinoa.
尖齿、叉齿或叉子。
A tine, prong, or fork.
谷类淀粉粒制成的食物
foodstuff prepared from the starchy grains of cereal grasses
草类粮食作物的一粒种子
A single seed of grass food crops.
模具中用于固定型芯的薄金属片。
A thin piece of metal, used in a mould to steady a core.
皮革上去毛的一面
the side of leather from which the hair has been removed
收获谷物的作物本身
The crops from which grain is harvested.
材料或表面的线性纹理
A linear texture of a material or surface.
物质的单个颗粒
A single particle of a substance.
各种小的质量单位,最初基于谷粒重量,不同地方有不同标准
Any of various small units of mass originally notionally based on grain's weight, variously standardized at different places and times, including
材料中具有单一晶体结构或取向的区域
A region within a material having a single crystal structure or direction.
固体火箭发动机中单个固体燃料块
The solid piece of fuel in an individual solid-fuel rocket engine.
从胭脂虫中提取的红色染料,也指红色调
A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
皮革的毛面或其上的标记
The hair side of a piece of leather, or the marking on that side.
谷物等经酿造或蒸馏后的残渣；引申为任何残留物。
The remains of grain, etc., after brewing or distillation; hence, any residuum.
萼片背面的圆形突起,如普通酸模属植物。
A rounded prominence on the back of a sepal, as in the common dock.
性情；天性；倾向。
Temper; natural disposition; inclination.
加工后的摄影胶片上由于微小金属银颗粒或染料云的存在而产生的视觉纹理,这些颗粒或染料云由接受足够光子的卤化银显影而成。
Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received enough photons.
数字音频录音的微小片段,用于颗粒合成以产生新的声音或纹理。
A tiny fragment of a digital audio recording, used in granular synthesis to create new sounds or textures.
I picked up a grain of rice from the table.
我从桌上捡起一粒米。
用法提示：grain作为可数名词，表示单个谷粒。
AI contextual example
The recipe calls for two grains of salt.
这个食谱需要两粒盐。
用法提示：grain用作可数名词，表示微粒。
AI contextual example
He examined the grains of sand under a microscope.
他在显微镜下检查沙粒。
用法提示：复数形式grains表示多个颗粒。
AI contextual example
用于表示极小颗粒，常与物质名词连用。
There is a grain of sand in my shoe.
我鞋子里有一粒沙子。
固定习语，意为‘违背常理’或‘格格不入’。
His decision went against the grain of family tradition.
他的决定违背了家族传统。
用于描述物质表面的天然纹理或颗粒排列。
The wood has a beautiful grain in its surface.
这块木头表面有美丽的纹理。
常用于玉米、小麦等，比grain更具体指单个籽粒，口语中可互换但kernel更正式。
泛指微小颗粒，grain强调谷物或沙粒，particle更通用。
常用于描述粉末或颗粒状物质，比grain更小且形状规则。
用于植物繁殖，grain特指食用谷物，seed更宽泛。
grammar · medium
易错句子I found a sand grain in my shoe.
正确表达I found a grain of sand in my shoe.
中文学习者常混淆可数名词的用法，'grain' 表示单个颗粒时，需用 'a grain of + 名词' 结构，而不是直接放在名词后。
grammar · medium
易错句子You should cut the wood on the grain.
正确表达You should cut the wood with the grain.
中文学习者可能误用介词，表达‘顺着纹理’时，英语常用 'with the grain'，而 'on the grain' 不是标准表达。
当grain指颗粒或微粒时，反义词为mass，指大块或整体
grain 指谷粒或颗粒，而 corn 通常指玉米或泛指谷物
grain 强调可食用的谷粒，而 seed 指播种用的种子
grain 通常指较粗的颗粒（如沙粒、谷粒），而 particle 泛指任何微小的颗粒（如尘埃）
一粒盐；持怀疑态度
You should take his advice with a grain of salt.
你应该对他的建议持保留态度。
一丝真理
There is a grain of truth in what she said.
她的话里有一丝真理。
一粒沙
Each grain of sand is unique under a microscope.
在显微镜下每粒沙都是独特的。
逆纹理；违反本性
It goes against the grain for him to ask for help.
对他而言，求助是违反本性的。
谷物产量
The grain yield this year was higher than expected.
今年的谷物产量高于预期。
一粒米
Not a single grain of rice was wasted.
没有浪费一粒米。
一丝真相，一丁点真实
There is a grain of truth in his story.
他的故事里有一丝真相。
违反常理，格格不入
It goes against the grain to be rude to a friend.
对朋友粗鲁是违反常理的。
半信半疑，持保留态度
You should take his advice with a grain of salt.
你应该对他的建议持保留态度。
从一粒沙看世界
Every grain of sand on the beach tells a story.
海滩上的每一粒沙都讲述一个故事。
每一粒沙
He examined every grain of sand under the microscope.
他在显微镜下检查每一粒沙。
发长 /eɪ/ 音 (如 rain, wait)
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.