So, they put the cells in cultures, chicken cells, dumped the virus on it, and it would pile up, and they would say, this is malignant and this is normal.
所以，他们培养了那些鸡的细胞， 并倒入一些病毒， 它们就会堆积起来， 然后他们就说这些是恶性肿瘤，这些是良性肿瘤。