Advocates like the former oil tycoon T. Boone Pickens have also long sought to promote it as a substitute for coal in electricity generation or gasoline in a new generation of natural gas cars.

前油业大亨皮肯斯这样的支持者也一直以来试图将其作为电煤的替代者和在新型的天然气车中作为汽油的替代者。

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T. Boone Pickens backed off of his much ballyhooed mega-wind project in Texas this week, citing the declining cost of natural gas.

鉴于目前天然气价格的下降，T . Boone Pickens在本周撤销了在得克萨斯州(Texas)建立巨型风电场的项目，这个项目还曾经被大肆宣传过。

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Natural killer cells, which are a class of lymphocyte distinct from t cells and B cells, destroy foreign cells (eg, neoplastic cells) even without prior sensitization.

自然杀伤细胞是一类与T细胞和B细胞不同的淋巴细胞，可在未被致敏的情况下破坏外来细胞(如肿瘤细胞)。

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And Joom from Thailand wrote: I don't care where the crops come from, natural plants or genetic engineering, as long as we can produce food enough for people.

VOA: special.2010.05.18

Student: Wouldn't natural selection favor the people ? who learn all these things and then practically try to apply them?

学生：自然选择会不会垂青,学习并践行这些知识的人？

耶鲁公开课 - 心理学导论课程节选

Wouldn't natural selection favor the people who take introductory psychology, come to my Valentine's Day lecture, listen carefully to the big three and the more interesting four, ? and then go out there and put them into practice?

自然选择会不会青睐,那些学习心理学导论，在情人节来听我讲座，专心致志听我讲影响吸引力的三大因素,和四个有趣因素，然后在生活中应用这些知识的人？

耶鲁公开课 - 心理学导论课程节选

Wouldn't natural selection have got rid of religious tendencies if religion were clearly bad for humans after all?

ECONOMIST: Religion

So we've seen extremely low levels of unemployment that really weren't natural.

NPR: Assessing Wall Street's Shaky Week

It's true that in-vitro meat isn't natural.

CNN: In-vitro meat: Would lab-burgers be better for us and the planet?