[化] 苦杏碱; 四苯基吡嗪

万物简史第478期:生命在前进(20)

Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s

发表于:2018-12-18 / 阅读(173) / 评论(0)

万物简史

SSS 2011-03-29

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(150) / 评论(0)

Scientific American(三)月

SSS 2012-01-24

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(186) / 评论(0)

Scientific American(一)月

英文书摘精选有趣的事实,短嘴鳄可以再长牙齿

Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal

发表于:2018-12-28 / 阅读(131) / 评论(0)

初学者听力文摘精选

国家地理-2008-06-12 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2018-12-30 / 阅读(175) / 评论(0)

国家地理2008年

英语听力文摘 English Digest 600、科学家如何预测火山喷发？

its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th

发表于:2018-12-31 / 阅读(122) / 评论(0)

英语听力文摘 English Digest

专业术语—中草药成分英汉对照词汇T1

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(157) / 评论(0)

医务英语

SSS 2008-04-17

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(167) / 评论(0)

Scientific American(四)月

SSS 2009-11-13

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(177) / 评论(0)

Scientific American(十一)月

英语歌曲:Notice Me - NB Ridaz

Notice Me - NB Ridaz Sometimes I think about (come on) Everything that we been through And I pray that you would just open your eyes (NB Ridaz) I love you (I love you baby) (Magic) I love you too girl And I need you (and I need you too) So please don

发表于:2019-01-10 / 阅读(207) / 评论(0)

英文歌曲第一辑

饶舌:2Pac - The realist killaz

歌曲： The realist killaz 艺人： 2Pac Ft. 50 Cent 音乐星级： ★★★★ 所属专辑： G-Unit Radio 发行年代： 2003 风格： Gangsta Rap 介绍：这首The realist killaz由说唱界巨头之一的2Pac和50 Cent共同演绎，2003年的了，可能很多喜欢嘻哈的朋友都该听的差

发表于:2019-01-11 / 阅读(267) / 评论(0)

饶舌音乐

节奏布鲁斯:Alina Baraz - Tainted

(What?) Is it over? I'm too busy getting over Feel like I've been working overtime Every time, it's you and I Now I'm a little older Don't want it just like I told you Feel like I've been working overtime Getting tired of you and I If you really want

发表于:2019-01-11 / 阅读(151) / 评论(0)

节奏布鲁斯

节奏布鲁斯:Alina Baraz - I Don't Even Know Why Though

You know what to say on my way out Hit me with the hey been a while Now I'm going straight through the fire fire I don't even know why though Get me on a wave then you fade out Hit me with the light got me hired I should get away from you I know I kn

发表于:2019-01-11 / 阅读(174) / 评论(0)

节奏布鲁斯

节奏布鲁斯:Alina Baraz - Floating

[Khalid amp; Alina Baraz:] 2am and I'm still breathing Staring at my thoughts Floating up to the ceiling I'm swimming in everything you said I'm thinking 'bout jumping in instead I've got you skinny dipping Deep inside my head [Alina Baraz:] It's in

发表于:2019-01-11 / 阅读(300) / 评论(0)

节奏布鲁斯

VOA标准英语2012--Azaz Residents Pick Up After Aerial Bombings

Azaz Residents Pick Up After Aerial Bombings The residents of Azaz clean up and mourn after Wednesday's deadly bombing by Syrian government warplanes. Azaz had been peaceful in recent months, although forces of the rebel Free Syrian Army have had to

发表于:2019-01-13 / 阅读(172) / 评论(0)

VOA标准英语2012年(八月)

英语听力：自然百科 Lost Pyramind Found 发现新的金字塔

Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti

发表于:2019-01-22 / 阅读(188) / 评论(0)

自然百科2008年

Researchers make sperm from stem cell in dish

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(308) / 评论(0)

英语新闻

舞曲狂欢:Lazard - I am alive

歌曲： I am alive 艺人： Lazard 音乐星级： ★★★★ 所属专辑：未知发行年代： 2008 风格： Dance 介绍：同样是搜索不到资料的歌手，但是歌曲却很好听，她的歌声就像带着电一样，在强烈的节拍下，刺激着你的神经，只想跟随节奏一起舞动。歌词： Song： I

发表于:2019-02-06 / 阅读(204) / 评论(0)

舞曲狂欢

AZ, PSV reach Dutch Cup Final

THE HAGUE, Feb. 27 (Xinhua) -- PSV Eindhoven and AZ Alkmaar qualified for the final of the Dutch Cup, the KNVB Beker, on Wednesday by beating PEC Zwolle and Ajax by identical 3-0 respectively. Ajax dominated the first half against AZ in Amsterdam, bu

发表于:2019-02-08 / 阅读(176) / 评论(0)

英语新闻

万物简史第212期:把铅撵出去(1)

10 Getting The Lead Out 第十章把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(194) / 评论(0)

万物简史

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Brassica oleracea acephala