一百年以来，侦探们一直拥有可以随意使用的DNA匹配工具。

A hundred years on, detectives have a new tool at their disposal in the form of DNA matching.

youdao

一百年以来，侦探们一直拥有可以随意使用的DNA匹配工具。

A hundred years on, detectives have a new tool at their disposal in the form of DNA matching.

youdao