Summary: In the animal world, many multicellular animals have cancer but sharks never get cancer.

在生物界中，只有多细胞动物得癌症。偏偏沙鱼不得癌症。

youdao

Summary: In the animal world, many multicellular animals have cancer but sharks never get cancer.

在生物界中，只有多细胞动物得癌症。偏偏沙鱼不得癌症。

youdao