Last year a group at the University of Minnesota found a way to guide human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，明尼苏达大学的一个科研小组找出了一种可以引导人类胚胎干细胞，使其转化成强有力白细胞类型的方法，从而破坏肿瘤细胞。
Last year a group at the University of Minnesota found a way to guide into human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.
去年，美国明尼苏达大学的研究小组找到了一种办法，把人类胚胎干细胞引导成一种强有力的白细胞，这种白细胞会破坏肿瘤细胞。
In lab tests using blood samples from human volunteers, the scientists showed that a drop of blood placed on the strip caused a color change that indicated blood type.
研究人员从志愿者身上采集血液样本用于试验，将血液滴在试纸上，根据试纸颜色的变化来区分血型。
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