In addition, these researchers found a new site on HIV where the antibodies can grab onto, and what's so special about this spot is that it changes very little as the virus mutates.
另外，这些研究院发现 艾滋病毒新的点 抗体抓住的地方。 这一点特别就是 抗体不会改变 在病毒变异的时候。