Scientists in the United States have engineered an antibody that could offer a new way to treat or prevent HIV following successful tests on monkeys.

美国科学家设计出一种抗体，能够为治疗或预防艾滋病提供新的方法，目前已经在猴子身上做了实验。

And we can even engineer antibodies that carry tiny doses of chemotherapy or radioactive particles, delivering these weapons directly to the cancer cells they're designed to recognize.

我们甚至可以设计携带微量化学疗法或放射性粒子的抗体，将这些武器直接输送到它们旨在识别的癌细胞中。