该鼠标的软件有定位功能，从而能一直停留在正在浏览的那行文字上。
The mouse’s software has an “anchor” feature, to hold onto the line of text that is being read.
即使一个浏览器已经有了本地视频回放的功能，但它所支持的视频类型或它能回放的编解码并不是标准化了的。
Even if a browser has native video playback capability, the types of videos, or the supported codecs that it can playback, are not standardized.
火狐有许多高级的功能，比如插件能够使这个令人称奇的浏览器如虎添翼。
There are many advanced features of FireFox, such as plug ins that can important features to this amazing browser.
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