它们中所含的重金属如今可再生，生成更多的电池。 由此减少了对一些新生资源的需求。
Those heavy metals can actually be reused to make more batteries, reducing the need to mine for new resources.
在大脑的一些局部区域，的确存在着神经元的不断更替——老的神经元细胞凋亡和新生神经元再生——并且这些新生神经元会参与学习环节。
Indeed, in some brain areas, there is continual turnover of neurons - old ones die and new ones are born - and these new neurons can participate in circuits that underlie learning.
在用肽治疗的受伤鼠的表皮细胞中也再生了类似于人类胚胎和新生儿皮肤表皮细胞的现象。
Rats with wounds treated with the peptide had significantly less scarring than control mice. Skin cells on the injured mice treated with it also regenerated similar to human embryos and newborns.
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