microcercous cercaria

例句：

1. 1. Thedisease is caused by the microcercous cercaria of a parasite.
   这种疾病是由寄生虫的微囊蚴引起的。
2. 2.The researcher found that the microcercous cercaria could beused as a tool for detecting diseases.
   研究者发现，微囊蚴可以作为检测疾病的一种工具。
3. 3. The microcercous cercaria was injected intothe patient's bloodstream to treatthe disease.
   将微囊蚴注射入患者的血液中以治疗该疾病。