So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.

因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。

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and use things such renewable energy, putting up wind and solar and biomasses, et cetera,

推广可再生能源的使用，推广风能，太阳能，还有生物质能等等新能源的使用，

全球变暖与国力 - SpeakingMax英语口语达人

The only precedent Milton would have had even for the idea of line numbers would have been the great ancient classics, the magnificent Renaissance editions of Homer and Virgil.

弥尔顿曾经的唯一一个范例，甚至是印上行数的想法,都将是伟大的古老杰作，是荷马和维吉尔伟大的再生版。

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We'll talk in a minute about stem cells that are involved in generation of blood and they develop and they live in the bone marrow.

我们一会儿要说到,和血细胞再生有关的干细胞,它们发育并储存在骨髓中

耶鲁公开课 - 生物医学工程探索课程节选

There are parts of the brain in which neurons can re-grow.

许多脑组织中的神经元是可以再生的

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That is not recycled.

也是不可再生的。

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I think, so potentially around renewable energy.

应该是有关可再生能源方面的政策制定吧。

有名的毕业生 - SpeakingMax英语口语达人

And steel is the most recycled material.

钢铁几乎是其中最可再生的材料。

麻省理工公开课 - 固态化学导论课程节选

Much easier to keep a flask of cells under very sterile, very reproducible conditions than it is to keep a small animal, right?

保存一小瓶细胞,该细胞可在无菌条件下再生,这要比保存小动物容易的多

耶鲁公开课 - 生物医学工程探索课程节选