I mean I could immediately tap into an immune response that was already there, where it was not going to take five or six days to develop it -- it was going to immediately attack whatever this thing was on.
这样，我就能立即进入 一个早已准备好的免疫状态了。 而不是像以前那样需要五六天的时间来慢慢发展自己的免疫系统。 用这个方法，我们可以对当前的病原体立即发动攻击了。