1 [C,U] the system or type of money that a particular country uses 货币；货币制度: The currency of Argentina is the austral. 阿根廷的货币是奥斯特拉尔。foreign currency 外币a weak/strong/stable currency 疲软╱坚挺╱稳定的货币

2 [U] the state of being believed, accepted or used by many people 流行；通用；流通: The new ideas soon gained currency. 这些新意念不久便流行起来。