a cord of wood
cord 作计量单位时，1 cord = 128 立方英尺（约 3.6 立方米），常与 of wood 连用。
They burned two cords of wood last winter.
他们去年冬天烧了两考得木柴。
电线；电源线；绳线；绳索（材料）；考得；木材体积单位（合128立方英尺）；纽带；情感牵挂；索；带（如声带、脊髓）
A long, thin, flexible length of twisted fibers or threads, used for tying or pulling.
A long, thin, flexible length of twisted yarns (strands) of fibre (a rope, for example).
由捻合纤维或线制成的绳索
a line made of twisted fibers or threads
Any quantity of such material when viewed as a mass or commodity.
木材体积单位,合128立方英尺
a unit of amount of wood cut for burning; 128 cubic feet
A small flexible electrical conductor composed of wires insulated separately or in bundles and assembled together usually with an outer cover; the electrical cord of a lamp, sweeper ((US) vacuum cleaner), or other appliance.
家用轻型绝缘导线
a light insulated conductor for household use
A unit of measurement for firewood, equal to 128 cubic feet (4 × 4 × 8 feet), composed of logs and/or split logs four feet long and none over eight inches diameter. It is usually seen as a stack four feet high by eight feet long.
Any influence by which persons are caught, held, or drawn, as if by a cord.
Any structure having the appearance of a cord, especially a tendon or nerve.
He used a cord to hang the picture frame.
他用一根细绳挂画框。
用法提示：此处'cord'作名词，意为细绳
AI contextual example
The cords on the blinds were tangled.
百叶窗上的绳子缠在一起了。
用法提示：此处'cords'是cord的复数，作名词，意为绳子
AI contextual example
She cut the cord with scissors.
她用剪刀剪断了绳子。
用法提示：此处'cord'作名词，意为细绳
AI contextual example
cord 作计量单位时，1 cord = 128 立方英尺（约 3.6 立方米），常与 of wood 连用。
They burned two cords of wood last winter.
他们去年冬天烧了两考得木柴。
此义指连接电器或设备的电线；也可以说 power cord、charging cord，复数形式为 cords。
The cord for my laptop is too short.
我笔记本电脑的电源线太短了。
这里 cord 是物质名词，表示“绳、线”这类材料，不加 a/an，通常也不用复数。
She tied the package with cord.
她用绳子把包裹捆了起来。
比 cord 粗且结实，常用于船只、攀岩等需要承受较大拉力的场合。
比 cord 细得多，多用于捆扎小物件或乐器弦，如“a piece of string”。
常指有特定用途或长度的细绳，如钓鱼线(fishing line)、晾衣绳(clothesline)。
由两股以上纤维捻合而成，常用于捆绑包裹，材质多为麻、棉等天然纤维。
grammar · medium
易错句子She struck a cord on the piano.
正确表达She struck a chord on the piano.
在音乐语境中表示“和弦”时，应为 chord 而非 cord。cord 指绳索、电线或木材体积单位，二者为同音词，但拼写和意义完全不同。
grammar · medium
易错句子The cabin needs three cord of wood for winter.
正确表达The cabin needs three cords of wood for winter.
cord 用作“木材体积单位”时是可数名词，基数词后必须用复数 cords；同时要用介词 of 连接被计量的物品（wood），即“three cords of wood”。
cord 指绳子或线，chord 指音乐中的和弦；二者同音异形，注意拼写和语境。
cord 比 rope 细，多指细绳或线；rope 更粗、承重更强，拖拽、攀岩等场景用 rope。
string 比 cord 更细更轻，常用于捆扎；cord 比 string 更粗、更结实。
脊髓
The injury damaged his spinal cord.
这次受伤损伤了他的脊髓。
声带
Her vocal cords were inflamed after the concert.
演唱会结束后，她的声带发炎了。
电源线
Make sure the power cord is firmly plugged in.
确保电源线插紧。
延长线
We used an extension cord to reach the outlet.
我们用了一根延长线来够到插座。
脐带
The doctor cut the umbilical cord after the baby was born.
婴儿出生后医生剪断了脐带。
弹力绳
The luggage was tied with a bungee cord.
行李用弹力绳捆住了。
与cord同属电气连接材料，wire更强调细长的金属导线。
插头通常接在电源线末端，和cord同属供电组件。
插座是电源线插入的接口，常与cord搭配使用。
充电器带有电源线，是cord常见的使用场景。
摆脱依赖；切断联系
After years of paying for cable, we finally cut the cord and just use streaming services.
付了很多年的有线电视费后，我们终于停用了有线电视，改用流媒体服务。
切断依赖关系；独立出来
The young company decided to cut the umbilical cord and operate without its parent's funding.
这家年轻的公司决定切断依赖关系，在没有母公司资金支持的情况下独立运营。
三股合成的绳子不易折断。
This saying from Ecclesiastes uses the image of a cord to teach that unity makes a bond strong.
这则出自《传道书》的谚语用绳子的形象说明团结使纽带牢固。
不要等到银链折断，金罐破裂……
The 'silver cord' in this poetic verse is often read as a symbol of life itself.
在这节富有诗意的经文中，“银链”常被解读为生命本身的象征。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.