我正在参加一个运输包装结构设计大赛的翻译：I'm participating in a transport package structure design competition 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 was participating in a transport package design contest

I'm participating in a transport package structure design competition

I am attending a transportation packing structural design big game

I am currently participating in a transport packaging design contest

I'm participating in a transport package structure design competition