这种疫苗可以激活体内的T细胞对抗感染。

This vaccine helps activate ___T-cells in the body to fight infections.

医生检测了他的T细胞数量，以评估免疫系统的状况。

The doctor checked his ___T-cells count to assess the immune system's condition.

医生建议她尝试用自身的T细胞进行CAR-T疗法来对抗癌症。

The doctor suggested she try CAR-T therapy using her own ___T-cells to fight the cancer.