“良性的”用英语怎么说？

竞争可以是良性的，但如果太过火，就可能造成以强凌弱。Competition can be healthy, but if it is pushed too far it can result in bullying.良性的上皮肿瘤形成员员的一块.A benign epithelial tumor having a glandular origin and structure.小的有明显分界的溃疡很可能是良性的.Smaller, more...