cancerroot

例句：

1. 1. The doctor found a cancer root in the patient's body.
   医生在病人体内发现了癌症根。
2. 2. Cancer is often associated with genetic mutations as its root cause.
   癌症往往与基因突变有关，它是其根本原因。
3. 3. The study revealed that the root of the disease lies in poor diet and lack of exercise.
   研究表明，这种疾病的根本原因是不良的饮食习惯和缺乏锻炼。