Word · Frequency #20246
pulley
滑轮；滑车
核心释义
a simple machine with a grooved wheel and a rope, used to change the direction of a pulling force or to lift heavy objects
- 1.
简单机械之一；有槽缘的轮,绕以绳索或链条以提升物体(两个以上滑轮组成滑轮组更有效,可省力但增加距离)。
One of the simple machines; a sheave, a wheel with a grooved rim, in which a pulled rope or chain lifts an object (more useful when two or more pulleys are used together, as in a block and tackle arrangement, such that a small force moving through a greater distance can exert a larger force through a smaller distance).
- 2.
手指的环状韧带。
Annular ligament of the finger.
简单机械之一；有槽缘的轮,绕以绳索或链条以提升物体(两个以上滑轮组成滑轮组更有效,可省力但增加距离)。；手指的环状韧带。；滑车；滑轮；[医] 滑车
用法In use
They used a pulley to pull the heavy bucket up from the well.
用法提示：pulley 作名词，指用来从井里提桶的滑轮装置。
The blinds are raised and lowered with a simple pulley.
用法提示：pulley 作名词，指控制百叶窗升降的滑轮。
You can use a pulley to lift heavy boxes without hurting your back.
用法提示：pulley 作名词，指帮助省力提起重物的滑轮。
a pulley for doing sth
pulley 是可数名词，复数形式为 pulleys；a pulley for ... 表示用途。
They built a simple pulley for lifting bricks to the roof.
他们做了一个简单的滑轮，用来把砖吊到屋顶上。
lift sth with a pulley
with a pulley 作方式状语，表示借助滑轮这一工具。
相关词与表达Connections
搭配Collocations
- pulley system
- 滑轮系统
- The pulley system made it easy to lift the heavy crate.滑轮系统使提起沉重的板条箱变得容易。
- fixed pulley
- 定滑轮
- A fixed pulley changes the direction of the applied force.定滑轮改变作用力的方向。
- movable pulley
- 动滑轮
- A movable pulley moves along with the load.动滑轮随重物一起移动。
- rope and pulley
- 绳索和滑轮
- They used a rope and pulley to pull the boat onto the shore.他们用绳索和滑轮把船拉上岸。
- pulley mechanism
- 滑轮机构
学习提示Learner notes
记忆技巧Memory Tip
联想 pull（拉）+轮子：滑轮就是用绳子拉着改变用力方向的轮子。
语境与语域Context & Register
语域：neutral 常见场景：机械维修、健身器材、物理课堂 pulley（滑轮）在日常会话和技术场景中都比较常见，通常是中性词，没有明显的正式或非正式色彩。
发音与拼写Pronunciation & Spelling
与 pulley /ˈpʊli/ 押韵的词包括 bully、woolly、fully（/ˈbʊli/、/ˈwʊli/、/ˈfʊli/）。注意拼写以 -lley 结尾的 valley、alley、trolley 虽然拼写相似，但元音不同，不押韵。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.