但是大学生的口语水平并未提高的翻译：But students speaking does not improve 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

Spoken of college students did not improve

But students speaking does not improve

But university student's spoken language proficiency enhances by no means

But college students in oral language level does not increase

But students speaking does not improve