Stylish Reader wot Toly

The following features are supported.
1. Provide a word translation function. After you select a word or phrase, a floating panel should be able to display the Chinese meaning, meantime, the floating panel will give you an change to go to Cambridge Dictionary, Langman Diction and Google translator website.
2. Support the collection of searched words and phrases.
3. Support review of collected words and phrases in the APP.
4. Add YouTube videos to the personal center. You can study the collected YouTube videos on the video page of the personal center of the official website. Support display of Chinese and English subtitles.

该扩展支持以下特性：
1. 支持英文（单词，短语）的划词翻译，显示中文释义，支持跳转到朗文词典，牛津词典，谷歌翻译，对单词进一步的解释和学习。并且支持收藏单词短语功能，利用APP可以进行有效复习。
2. 支持对YouTube网站中的视频进行收藏至Stylish Reader个人中心，并同时显示中英双语字幕，导出字幕等功能，配合单词收藏，短语收藏，达到练习，提升英语技能的目的。
3. 一键点击，自动切换中英文字幕，更加便捷收藏YouTube视频。