标本保存了14，000岁人的蛋白质和脱氧核糖核酸。

The specimens preserved 14,000-year-old human protein and DNA.

youdao

标本保存了14，000岁人的蛋白质和脱氧核糖核酸。

The specimens preserved 14,000-year-old human protein and DNA.

youdao