| 释义 | rud·der AHD[rŭdʹər] D.J.[ˈrʌdə]K.K.[ˈrʌdɚ]n.(名词) Nautical A vertically hinged plate of metal, fiberglass, or wood mounted at the stern of a vessel for directing its course.【航海】  舵:垂直的有铰链的圆盘,用金属、玻璃纤维或木头制成,置于船头之上以调整方向A similar structure at the tail of an aircraft, used for effecting horizontal changes in course.方向舵:飞机的尾部的与船舵类似的结构,用于影响航程中水平方向的变化
 A controlling agent or influence over direction; a guide.指导原则:控制机构或对指令的影响;指导
 Middle English ruder 中古英语 ruder 
 from Old English rōther [steering oar] * see  erə- 源自 古英语 rōther [舵浆] * 参见 erə- 
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