He had to prove how the process of learning photography could enhance his students 'language ability.

他曾经必须证明学习摄影是如何提高他的学生语言努力的过程。

youdao

He had to prove how the process of learning photography could enhance his students 'language ability.

他曾经必须证明学习摄影是如何提高他的学生语言努力的过程。

youdao