Helminth worm infections can give the mothers symptoms such as mild anemia or stomach pain and vomiting. Although many people have no symptoms at all.
感染了蠕虫的妈妈，她们通常有贫血、腹痛或者呕吐的症状，当然许多人并不是同时具有所有的这些症状。
2
Helminth worm infections can give the mothers symptoms such as mild anemia or stomach pain and vomiting.
蛔虫感染能让妈妈们患上一些症状，比如轻度贫血，胃疼，呕吐。
3
It's a lancet fluke: it's a little brain worm — a parasitic brain worm — that has to get into the stomach of a sheep or a cow in order to continue its life cycle.