Eudic Extension, Eudic Free Extension and Dehelper Extension

[Eudic （欧路词典）](https://itunes.apple.com/cn/app/ou-lu-ci-dian-eudic-zeng-qiang/id402380914?l=en&mt=12) is an English-Chinese dictionary application.

[Eudic Free （欧路词典 免费版）](https://itunes.apple.com/cn/app/eudic-ou-lu-ci-dian-mian-fei/id434350458?l=en&mt=12) is the free edition of Eudic.

[Dehelper （德语助手）](http://www.francochinois.com/Dehelper/mac.aspx) is a Deutsch-Chinese dictionary application.

These extensions are used to translate selected text using Eudic or Eudic Free or Dehelper.