推荐一下http://www.vocabulary.com/ ，这是一个能让你学单词并不仅仅是背单词的网站。
vocabulary.com 最棒的地方可能是它独特的人性化解释单词的方式，比如对于单词 abscond ，它是这样解释的
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通过这样的方式来记单词，效果要比单独记住单词的中文意思要有效得多，读者更容易学以致用。http://vocabulary.com还带有单词拓展功能，以及大量的权威例句
https://pic3.zhimg.com/c2dd36a7bdda50044b13c64365ac8019_r.
来自各大主流
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对于喜欢背词汇书和词汇表的同学，推荐使用 Vocabulary Lists ，上面有大量由用户整理以及官方上传的词汇表，结合网站独特的单词释义以及大量例句，简直是学单词神器。
http://www.vocabulary.com/lists/以下这三个词汇表值得重点关注：
1.The http://Vocabulary.com Top 1000 日常学术&商业英语中最重要的1000词The top 1,000 vocabulary words have been carefully chosen to represent difficult but common words that appear in everyday academic and business writing. These words are also the most likely to appear on the SAT, ACT, GRE, and ToEFL.
地址：http://www.vocabulary.com/lists/524732.GRE High Frequency Words巴朗GRE高频词表，不管你需不需要考GRE，系统掌握一下这份词表中的单词对词汇能力进阶都大有裨益。
地址：http://www.vocabulary.com/lists/194479#view=notes3.100 Words Every Middle Schooler Should Know这份词表由美国传统词典的编辑们精挑细选后得出，词表中100个单词非常具有学习价值，建议全部掌握。
American Heritage Dictionaries normally feature about 70,000 entries. From that multitude, the editors have chosen 100 words that are neither obscure nor outlandish that could give middle schoolers more aplomb and aptitude in their verbal encounters. If you're not sure whether that is something you need, study this list. Words selected by the Editors of the American Heritage® Dictionaries. Published by Houghton Mifflin Harcourt Publishing Company.