短语词组短语memory B cell 细胞effector memory T cell 效应记忆性T细胞memory T cell 记忆T细胞;细胞immunological memory T cell 免疫记忆T细胞memory y cell 存储单元Memory T cell subset 记忆性T细胞亚群memory bit cell 单元naive and memory t cell 初始和记忆t细胞 返回 memory cell