In a laboratory outside Cambridge, a computer screen displays microscope views of two human cell cultures. One looks uniformly healthy. The other is dying, with dead cells showing up as a livid red blotch in the middle.
在剑桥(Cambridge)城外的一间实验室里,电脑屏幕上显示着两份人类细胞培养的显微镜视图。一份看起来整体健康;另一份正在凋亡,死细胞在中央呈现出一团鲜红的斑块。
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