We were surprised to find out just how different the two strains are genetically.

Lawniczak博士说：“我们惊奇地发现这两个种类在基因上是多么不同。”

youdao

We were surprised to find out just how different the two strains are genetically.

Lawniczak博士说：“我们惊奇地发现这两个种类在基因上是多么不同。”

youdao