She had been researching mechanisms regulating early development and organ formation in mice using embryonic stem cells, which can develop into the multitude of cells that make body parts.

他在老鼠上使用胚胎干细胞研究机制调节和器官形成。胚胎干细胞能形成身体部位的多细胞。

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But Britain has, in most scientists' eyes, behaved rationally towards stem-cell research-overseeing and regulating what is going on, but not actually banning very much.

但是，英国已经对干细胞研究采取在大多数科学家眼中合情合理的措施——监管和控制研究工作，但不是真正的明令禁止。

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Why straight trip regulating valve stem smaller?

为什么直行程调节阀阀杆较细？

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But critics point out that the editorial presupposes that the FDA should be regulating stem cell treatments when it is by no means certain this is the case.

FORBES: One Man's Reluctant Tour For Adult Stem Cells

But he cautioned against over-regulating virtual worlds because that would stem the high levels of creativity they inspire.

CNN: Can people actually 'own' virtual land?