我寄了鞋子給他們研究做哪些測試標準的翻译：I send shoes to research what they test standards 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 sent the shoes to do their research which testing standards

I send shoes to research what they test standards

Which did I send the shoe to study for them make to test the standard

I send their shoes to their research subject which testing standards

I send shoes to research what they test standards