| 单词 | pulley |
| 释义 | pulley (pʊli ) Word forms: pulleys countable noun A pulley is a device consisting of a wheel over which a rope or chain is pulled in order to lift heavy objects. The weights are moved via a cable and pulley system. Collocations: pulley system He also devised a pulley system that enabled him to suspend an object in mid-air. Times, Sunday Times My dad also designed a ramp and a pulley system to make it easier for me. Times, Sunday Times Clipped to a pulley system you step, heart pounding, into the abyss some 120 metres above the wadi. Times, Sunday Times Croissants, coffee, jam and hot chocolate are delivered each morning using a rope pulley system. Times, Sunday Times Firefighters and rescue workers rushed to the scene while high school students built a robotic arm and pulley system to try to lift it out. Times, Sunday Times |
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