词库的英文：
thesaurus
word stock

Words and Phrases database
词库

A thesaurus is a book of synonyms and antonyms.
同类语词典是一本拥有同义词和反义词的书。

The book Shuo Wen Jie Zi which wrote at Han dynasty is not only a single dictionary, but also a thesaurus of recordation a good many cultural phenomena.
成书于汉代的《说文解字》不仅是一部解释字形义关系、分析字形结构、归纳汉字构形结构的字典，也是一部记载了诸多文化现象的汉字文化宝库。

Mao Zedong's basic creed of resolving China's national issues, fundamental policy, elementary guidance and principle, etc, the series of theories, formation and their preliminary practice during the revolutionary war greatly enriched the thesaurus of Marxian national theory.
毛泽东关于解决中国民族问题的基本纲领、基本政策、基本方针和原则等一系列理论的形成及其在革命战争时期的初步实践,极大地丰富了马克思主义民族理论的宝库。

There is an
在apple这个词中有一个字母A。

This is a derivative word.
这是一个衍生词。

This is an informal word.
这是一种口语用语。

Dividends for preferred stock underlie those of common stock.
优先股比普通股享有优先分红权

He gambles on the stock exchange.
他从事股票投机。

Compendium of Immigrant Stock Data
移民血统资料简编