| 释义 |
pulley/ˈpʊli/ n. & v.●n. (pl. -eys) 1 a grooved wheel or set of wheels for a cord etc. to pass over, set in a block and used for changing the direction of a force 滑轮(组)；滑车 2 a wheel or drum fixed on a shaft and turned by a belt, used esp. to increase speed or power (尤指用于加速或加力的)皮带轮；滚筒 ●v. tr. (-eys, -eyed) 1 hoist or work with a pulley 用滑轮举起(或带动) 2 provide with a pulley 配以滑轮 [Middle English from Old French polie, probably ultimately from a medieval Greek diminutive of polos POLE2] |