amphistome cercaria

例句：

1. 1.The parasite's life cycle involves the development of a cercaria in water and then the transformation into an adult stage.
   这种寄生虫的生命周期包括在水里发育成幼虫，然后变成成虫。
2. 2. Researchers have been studying the impact of climate change on amphibian populations, including the amphistomidamphistome.
   研究人员一直在研究气候变化对两栖动物种群的影响，其中包括了两栖动物中的钩虫蚴。
3. 3.The amphistomid amphistome is a rare species that can only be found in certain regions of the world.
   两栖动物中的钩虫蚴是一种罕见的物种，只能在世界的特定地区找到。