单词助手 is a browser add-on designed to make word lookup easier and more convenient. This Chrome extension allows users to look up words by simply right-clicking on the selected word and accessing the context menu. Additionally, it offers the feature of word lookup directly from the clipboard. The program also includes a spaced repetition system to help users review and memorize words effectively.

One of the standout features of 单词助手 is its support for multiple local mdict dictionaries. This allows users to access a wide range of dictionaries within the add-on, enhancing the accuracy and depth of word definitions. Moreover, the developers have emphasized privacy protection, ensuring that the add-on respects user privacy. The clipboard lookup function, which requires clipboard permissions, is optional, allowing users to choose whether to enable it or not.

With its user-friendly interface and comprehensive word lookup capabilities, 单词助手 is a valuable tool for anyone who needs quick and accurate word definitions while browsing the web.