catalog n. 目录，目录册 v. 编目录
例句：Do you have a catalog or something that tell me about your company?
你有没有产品目录或者向我们介绍贵公司的材料？
index n．索引，指数，指标 vt．编人索引中，指出 vi．做索引
例句：Do you know the price index of the city?
你知道这个城市的物价指数吗？
alphabet n. 字母表
例句：B comes before C in the alphabet.
B在字母表里排在C之前。
preface n. 序文，绪言，前言 v．作序，写前盲
例句：In his preface Robinson sets forth his reasons for writing the book.
罗宾逊在前言中阐明了他写这本书的原因。
appendix n．附录，附属品，闻尾
例句：The details are clearly set out in an appendix.
详细情况在一个附录里清楚列出。
