抗原刺激的。。。比如 antigen-experienced T cells,就是抗原刺激过的T 细胞！
we love the long-term cooperation partners, 我们仍然ls合作! 我们爱长期合作伙伴,[translate] a大体上看 Looked on the whole[translate] aThese mutations experienced by the clones are proportional to their affinity to the antigen. 克隆体验的这些变化与他们的亲合力是比例与抗原。[translate]...