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单词 block and tackle
释义 block and tackleBrE /ˌblɒk ən ˈtækl/NAmE /ˌblɑːk ən ˈtækl/ noun [sing.]
a piece of equipment for lifting heavy objects, which works by a system of ropes and pulleys (= small wheels around which the ropes are stretched) 滑轮组;滑车组
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