这位教授是研究罪犯和毒瘾之间联系的专家的翻译：The Professor is an expert on contact between the offender and addiction 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

The professor is to study the links between criminals and drug addiction specialists

The Professor is an expert on contact between the offender and addiction

This professor studies the expert who between the criminal and the drug dependence relates

正在翻译，请等待...

The Professor is an expert on contact between the offender and addiction