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单词 pulley
释义 pulley
pulley /ˈpʊl.i/ noun [C]
txbpulley.jpg F0 a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain fixed to the object can be easily pulled or released slowly: » The blocks of stone had to be lifted into position with a system of pulleys.Thesaurus+: ↑Tools , ↑Gardening toolsThesaurus+: ↑Machinery and machines , ↑Household equipment and domestic chores
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