音标:[,fəʊtə(ʊ)'sɪnθɪsɪs] ;
n.
【生物化学】
光能合成
光合作用

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(36) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(72) / 评论(0) 分类 Scientific American(八)月

ROBERT SIEGEL, HOST: Adam Frank usually has his head in the sky. He's an astrophysicist. It's an occupational hazard. Right now, though, he is dazzled by the universe of green right here on Earth. ADAM FRANK, BYLINE: Now that we're well past the star

发表于:2019-01-17 / 阅读(30) / 评论(0) 分类 2017年NPR美国国家公共电台6月

The first day of the experiment, we got out to our plot 实验的第一天,我们来到了实验地点, and a grizzly bear and her cub chased us off. 突然一头灰熊和她的熊宝宝出现,把我们赶跑了。 And I had no bear spray. But

发表于:2019-01-18 / 阅读(43) / 评论(0) 分类 TED演讲科学篇

Heather, when plants convert light into energy to help them grow it's called photosynthesis. 希瑟 植物把光转换成能量 来帮助它们生长 这叫做光合作用 But what is a photo of yourself taken by yourself called? 但把自己给自己拍

发表于:2019-02-15 / 阅读(32) / 评论(0) 分类 艾伦脱口秀

Once it seemed that the ocean floor was a desert of darkness. As everyone knew, sunlight was what made life possible by fueling photosynthesis, and sunlight can penetrate only the first few hundred yards of the oceans great depths. Lower, a few

发表于:2019-02-21 / 阅读(45) / 评论(0) 分类 托福英语
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a plot of
a smidge
aguilt
almost everywhere divergence
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amiota (amiota) subfurcata
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Zarzadilla de Totana