◎ 改道 gǎidào(1) [change one’s route]∶改变行走路线(2) [diversion of the course of river]∶河流改变河道三峡改道工程-----------------国语辞典:改变前进的路线。如:「黄河改道」。更改制度或措施。汉.刘向《说苑.卷七.致理》:「臣请改道易行,而治东阿。」英语 to change route, to divert (a road or a watercourse)法语 changer d'itinéraire, détourner