1.An intestinal worm? An idea. Resilient. . . highly contagious.
是一个想法…极俱传染力和顽固性。
2.In some streams, 70 percent of the invaders are infected with an intestinal worm that doesn't go for the native shrimp.
在一些河流中,70%的入侵者都感染了一种寄居于肠道的虫子,而原有的虾类并不携带这种虫。
3.Bacteria? A virus? An intestinal worm?
细菌?病毒?蠕虫?