| 单词 | pulley block |
| 释义 | pulley block (once / 246236 pages) n WORD FAMILY pulley block: pulley blocks USAGE EXAMPLESA wooden pulley block from the ship’s rigging and a piece of mangrove timber from the São José’s hull will be delivered later. Washington Post(Jul 13, 2016) The iron rods and pulley block are “humble objects,” Gardullo said but, if presented in context, can help visitors make an emotional connection. Washington Post(May 30, 2015) Sometimes a man grew careless with his knife or got in the way of a pulley block. MacGrath, Harold, The Million Dollar Mystery—Novelize...(2012) n a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope Syn|Hypo|Hyper block, pulley, pulley-block bollock, bullock block a pulley-block at the head of a topmast fairleada pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing idle pulley, idle wheel, idler pulleya pulley on a shaft that presses against a guide belt to guide or tighten it snatch blocka pulley-block that can be opened to receive the bight of a rope machine, simple machine a device for overcoming resistance at one point by applying force at some other point |
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