记忆性T细胞
参考答案:
是一群在抗原驱动下发生寡克隆扩增,TCR结构相对均一并具有识别抗原特异性的T细胞群体,参与增强的再次免疫应答,表达CD45RO分子。
If you meet troubles or difficulties in your life, you must try to _____ the troubles. [ ]
A. turn over
B. get over
C. take over
D. look over
位移性转变