a series of:“一系列，一连串” e.g. A series of lectures on genetic engineering are delivered in this medical college. 这所医学院举行了一系列关于遗传工程的讲座。a series of: “一系列，一连串” e.g. A series of lectures on genetic engineering are delivered in this medical college. 这所医学院举行了一系列关于遗传工程的讲座