柯林斯詞典era /???r?/ (eras) 1. N-COUNT You can refer to a period of history or a long period of time as an era when you want to draw attention to a particular feature or quality that it has. 時(shí)代 ...the nuclear era. …核時(shí)代。 ...the Reagan-Bush era. …裡根-佈什時(shí)期。 返回 eras