求翻译：罗马帝国分解后，对修辞学的研究持续从语言艺术方面。经历了几个世纪以来持续下降，然后逐渐上升。在中世纪大学兴起，最终成为正规教育。是什么意思？

Decomposition of the Roman Empire, the study of rhetoric continued from the language arts. Gone through the centuries, continued to decline, and then gradually increased. The rise of medieval universities and eventually become a formal education.

Breaking down the Roman Empire, the study of rhetoric in language arts from continuing. has gone through several centuries, and then gradually increases in continuous decline. In medieval universities rise, and eventually become a regular education.

After the Roman Empire decomposition, continues to the rhetoric research from the language art aspect.Since has experienced for several centuries to drop continually, then rises gradually.Emerges in the middle ages university, ends in the regular education.

After decomposition of the Roman Empire, the study of rhetoric continued in language arts. Experienced for centuries continued to decline, and then gradually increase. In the rise of universities in the middle ages, eventually became the formal education.

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