I encountered a muter talking in hand language when heading out. He and his audience all looked very happy.

出门的时候遇到一个哑巴，正在用手语，他和对面的人都是一幅很快乐的样子。

Hhe research and design of description language and description method of software component have also laid a solid foundation for the next phase of development the muter.

软件构件描述语言和描述方法的研究与设计为下一步进行路由器构件化开发也打下了坚实的基础。