This was a copiously illustrated encyclopedia.
illustratevt.说明;(为书)作插图;图解vi.举例说明;发亮
illustrate a lesson解释课文
illustrated endpaper印有插图的环衬
illustrate with cuts附图说明
illustrated catalogue图示型录,图示目录
illustrated dictionary图解辞典
illustrate an argument用实例说明论点
illustrated price list[经] 有说明的价目单
illustrate by examples举例说明 ...
Illustrated Parts Book插图零件手册
Illustrated Parts List图解部件表