剑桥词典a star , especially the Pole Star, used to help find direction 指示方向的星星；（尤指）北极星 literary an example or principle that people want to follow 范例，规范；指导原则 The party manifesto is no longer the lodestar it used to be. 该党的宣言已经不再是行动的指南了。 返回 lodestar