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    1. universal

      英 [ju?n?'v??s(?)l] 美['j?n?'v?sl]
      • adj. 普遍的;通用的;宇宙的;全世界的;全體的
      • n. 一般概念;普通性

      英英釋意


      1. coupling that connects two rotating shafts allowing freedom of movement in all directions;
      "in motor vehicles a universal joint allows the driveshaft to move up and down as the vehicle passes over bumps"