Piroplasma bigeminum

例句：

1. 1.The parasite Piroplasma bigeminum is a common cause of malaria in humans.
   双斑虫是人体内疟疾的常见原因。
2. 2. Researchers have discovered new species of Piroplasma bigeminum that may be resistant to certain treatments.
   研究人员发现了新的双斑虫物种，这些物种可能对某些治疗具有抗性。
3. 3.Piroplasma bigeminum is a parasite that can cause serious health problems in humans.
   双斑虫是一种可以导致人类严重健康问题的寄生虫。