The larva is ingested by a water flea (cyclop), where it develops and becomes infective in two weeks.
幼虫通过水蚤（剑水蚤属）进入人体，在那里发育并在两周后带有感染性。
When a person drinks the water, the cyclop is killed by the acidity of the stomach and the larva is freed and penetrates the gut wall.
当人饮用这种水时，剑水蚤被胃酸杀死，幼虫则得以释放并穿透肠壁。
When a person drinks the water, the cyclop is killed by the acidity of the stomach and the larva is freed and penetrates the gut wall.
当人饮用这种水时，剑水蚤被胃酸杀死，幼虫则得以释放并穿透肠壁。
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