So, he made a filtrate, he took this filter which was the liquid after he passed the tumor through a filter, and he injected it to another chicken, and he got another tumor.
所以他设计了一个过滤装置，并用它 过滤了肿瘤后得到一种液体， 并把这种液体注射到另一只鸡体内，他就得到了另一个肿瘤。