benign virus

例句：

1. 1. The benign virus causes mild symptoms in most people.
   这种良性病毒在大多数人身上会引起轻微的症状。
2. 2.Benign tumors are usually slow-growing and do not spread to other parts of the body.
   良性肿瘤通常生长缓慢，不会扩散到身体的其他部位。
3. 3.Benign conditions like fibroids are often treated with minimal intervention.
   像子宫肌瘤这样的良性条件通常通过最小干预来治疗。