viroplasma

例句：

1. 1. Viruses are responsible for many diseases in humans and animals.
   病毒是人类和动物许多疾病的罪魁祸首。
2. 2. Researchers have found that the viroplasma is a key factor in the spread of disease.
   研究人员发现，病毒颗粒是疾病传播的关键因素。
3. 3.The study of viroplasma has led to new treatments for cancer.
   研究病毒颗粒已经导致了癌症的新治疗方法的出现。