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深言达意是一款写作辅助工具，核心功能包括据意查词、据意查句。根据模糊的描述，找到贴切的词语和名言佳句，支持汉英双语。深言达意基于最先进的人工智能算法实现，由深言科技出品。

纠正你的英文发音

中华语文知识库

The art of the fragment

https://cnkgraph.com,古籍文献知识图谱网

英语真题在线提供四级真题、六级真题、考研英语真题和专四专八真题在线训练和下载，涵盖真题下载、听力和答案、答案解析、查词、生词本等

DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

Math explained in easy language, plus puzzles, games, worksheets and an illustrated dictionary. For K-12 kids, teachers and parents.

多多记单词是一款在线的单词速记训练工具，通过单词测验，艾宾浩斯抗遗忘复习，随机测，消消乐等多种方式帮助你快速牢记大量单词。