我现在上大学四年级学习环境工程专业的翻译：I now go to college senior studying environmental engineering 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

I am now on a college senior studying environmental engineering

I now go to college senior studying environmental engineering

I go to college now the 4th class learning environment project specialized

I now go to university 4 year of learning environment engineering professional

I now go to college senior studying environmental engineering