HIV attacks a type of immune system cell called the T - helper cell.
HIV病毒所攻击的免疫系统细胞叫做辅助性T细胞.
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If a helper cell recognises an antigen, it becomes activated.
一旦识别了抗原, 辅助T细胞就将被激活.
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英英释义
Noun
1. T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus