在此期间，他在我校六年级到期年级学习的翻译：During this period, he is at my school grades six maturity learning 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

During this period, maturity year of his sixth grade in my school

During this period, he is at my school grades six maturity learning

He in my school sixth grade due grade study

In the meantime, he was in grade school I Due 6 year of learning

During this period, he is at my school grades six maturity learning