回转: gyration; rotation; swing; turn; slew; [工业] slewing angulation; back swing; circumgyration; revolution; throw-over motion; turn round◇回转半径 [航海学] gyroradius; radius of gyration; 回转泵 drum pu
桨: 名词1.(划船用具) oar; paddle 短语和例子划得一手好桨 pull a good oar; 每人划一小时桨 , 然后休息一下。 each man had a paddle for an hour and then a rest. 这只船用六把桨划。 this boat pulls [rows] six oars.2.(螺旋桨) propeller
