主题是那些可以让我们个性化我们的网页浏览器，电子邮件客户端，音乐播放器和其它电脑程序的方式。

Themes are ways for us to customize the look of our web browser, e-mail client, music player, and other computer programs.

youdao

框架中还带有一些代码示例，包括图书馆、电子邮件客户端以及面向文档的应用程序，另外还带有对单元测试的基本支持。

The framework also comes with code samples for a book library, an email client, a document oriented application, and also basic support for unit tests.

youdao

通过iPhone的主页，你可以访问电子邮件客户端，短消息功能，数字照相机以及一套被称为(widgets)的小应用程序。

From the home screen, you can get to the iPhone's E-mail client, text-messaging capabilities, digital camera and collection of mini-applications called widgets.

youdao