妹妹柏翠云一动不动地躺在血细胞分离器旁,两只针头扎进了两只手臂的静脉血管。她不停地把手里一个红色皮球攥紧又松开,鲜红的血液从左臂缓缓流进分离器,再从右臂回到身体中。两个小时后,50毫升包含免疫细胞的血浆提取完毕。一周后,这些免疫细胞在培养室里呈几何倍数地增长,再分 Sister Bai Cuiyun motionless lying next to the blood cell separator, two needles into the vein of two arms. She kept a red ball in her hand clenched and released, red blood slowly from the left arm into the separator, and then from the right arm back to the body. Two hours later, 50 ml of plasma containing immune cells were extracted. A week later, these immune cells multiplied multiples multiply in the training room and subdivided