英语词汇“pulleyless”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pul•ley n. [countable], pl. -leys.

Mechanical Engineeringa wheel for supporting, guiding, or transmitting force to or from a moving rope or cable that rides in a groove in its edge.

pul•ley n., pl. -leys.

Mechanical Engineeringa wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end: one of the simple machines.
Mechanical Engineeringa combination of such wheels in a block, or of such wheels or blocks in a tackle, to increase the force applied.
Mechanical Engineeringa wheel driven by or driving a belt or the like, used to deliver force to a machine, another belt, etc., at a certain speed and torque.

Middle French polie Medieval Greek *polídion little pivot, equivalent. to pól(os) pole² + -idion diminutive suffix
Middle English poley, puly 1275–1325

pul′ley•less, adj.

单词	pulleyless
释义	WordReference Random House Learner's Dictionary of American English © 2024 pul•ley /ˈpʊli/USA pronunciation n. [countable], pl. -leys. Mechanical Engineeringa wheel for supporting, guiding, or transmitting force to or from a moving rope or cable that rides in a groove in its edge. WordReference Random House Unabridged Dictionary of American English © 2024 pul•ley (pŏŏl′ē),USA pronunciation n., pl. -leys. Mechanical Engineeringa wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end: one of the simple machines. Mechanical Engineeringa combination of such wheels in a block, or of such wheels or blocks in a tackle, to increase the force applied. Mechanical Engineeringa wheel driven by or driving a belt or the like, used to deliver force to a machine, another belt, etc., at a certain speed and torque. Middle French polie Medieval Greek *polídion little pivot, equivalent. to pól(os) pole² + -idion diminutive suffix Middle English poley, puly 1275–1325 pul′ley•less, adj.
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