机器人也可以理解语音指令并作出回应。

The robot can also understand voice commands and respond to them.

语音指令都在场为英语，德语，法语和意大利语。

Voice commands are present for English, German, French and Italian.

盲文计算机、屏幕阅读器和基于语音指令的导航工具很难应付这种不断的变化。

Braille computers, screen readers, and navigation tools based on spoken instructions find this continuous change hard to deal with.