国外很多教材明显要比国内的更适合用来教授学生。。。。。所以想问问有没有外国人自己编写的关于英语词根词缀的书籍，自己在卓越上找到一本《朗文常用英文词根词典》，想再问问有没有类似的外国手册或者教学书籍。

国外的有韦氏编的vocabulary builder，算是个精选。真要背单词还是要快速多次大量过单词，这种词根词缀什么的适合闲的时候看看。

Merriam-Webster's Vocabulary Builder

The Merriam-Webster's Vocabulary Builder allows you to enjoy informative and entertaining discussions of English words derived from Greek and Latin roots：and expand your working vocabulary at the same time. Words that share the same root are grouped for easy study. This is the ideal book for people who want to increase their word power. Thorough coverage of 1,200 words and 240 roots while introducing 2,300 words. The Vocabulary Builder is organized by Greek and Latin roots for effective study with nearly 250 new words and roots. Includes quizzes after each root discussion to test progress. A great study aid for students preparing to take standardized tests.

vocabulary [və´kæbjuləri, vəu-]   n.词汇；词汇量   (初中英语单词)