癌症是异常细胞不知不觉地进行性生长所引起的一种疾病。

Cancer is a disease caused by the insidious progressive growth of abnormal cells.

youdao

癌症是异常细胞不知不觉地进行性生长所引起的一种疾病。

Cancer is a disease caused by the insidious progressive growth of abnormal cells.

youdao