2010.9.1---2012.6.30在我校六年级至七年级就读的翻译：2010.9.1---2012.6.30 in six to seven years of our school-level study 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

2010.9.1 --- 2012.6.30 sixth grade seven year schools in my school

2010.9.1---2012.6.30 in six to seven years of our school-level study

2010.9.1---2012.6.30 in my school sixth grade to seven grade studies

010.9 - 012.6 .1 .30 in my school grades 6 to 7 year

2010.9.1---2012.6.30 in six to seven years of our school-level study