理论以实践为基础，反过来又以服务于实践。的翻译：Theory to practice based, which in turn serves practice. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The theory based on practice, in turn, especially the service practice.

Theory to practice based, which in turn serves practice.

The theory take practice as a foundation, in turn serves the practice.

theory to practice, practice, in turn, to serve.

Theory to practice based, which in turn serves practice.