3-氨基香豆素

阶梯听力天天练:水手

发表于:2018-12-03 / 阅读(138) / 评论(0)

阶梯听力天天练

经济学人:分子生物学蛋白质的奥秘(3)

One common protein-contact prediction is that, if the side chain of one member of a pair of amino acids brought close together by folding is long, 一种比较普通的蛋白质接触预测就是，如果一对氨基酸的一个侧链折叠后很长，

发表于:2018-12-05 / 阅读(124) / 评论(0)

经济学人科技系列

TED演讲：气味背后的科学(10)

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料，从来自南美的豆子中提炼出来的。 And it is the classic syntheti

发表于:2018-12-19 / 阅读(94) / 评论(0)

TED演讲教育篇

TED演讲：气味背后的科学(9)

And every single part of this mechanism is actually plausible in biology. 实际上，这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲，我

发表于:2018-12-19 / 阅读(66) / 评论(0)

TED演讲教育篇

SSS 2009-01-23

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(119) / 评论(0)

Scientific American(一)月

SSS 2009-04-28

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(97) / 评论(0)

Scientific American(四)月

Designer Antibiotics

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04

发表于:2019-01-02 / 阅读(183) / 评论(0)

科技之光

专业术语—中草药成分英汉对照词汇S2

Silybin 水飞蓟宾 Silymarin 水飞蓟素 Silydianin 水飞蓟宁 Sinomenine 盐酸青藤碱 Sinoside 辛诺甙 Skimmianine 茵芋碱 Smiglanin 光叶菝葜甙 Smilagenin 异菝葜皂甙 Solanidine 茄

发表于:2019-01-03 / 阅读(112) / 评论(0)

医务英语

专业术语—基因专业词汇A/B

发表于:2019-01-03 / 阅读(107) / 评论(0)

医务英语

Ronaldo reveals desire to become president of CBF

RIO DE JANEIRO, March 18 (Xinhua) -- Retired soccer star Ronaldo on Sunday revealed his aspirations of entering the world of politics and becoming the next president of the Brazilian Confederation of Soccer (CBF). With the sudden and unexpected resig

发表于:2019-01-07 / 阅读(96) / 评论(0)

英语新闻

美国国家公共电台 NPR Cheech Marin On How His Famed Comic Collaboration Was Like Chicano Art

DAVID GREENE, HOST: And it's David here with an invite. Come with me up a winding hill in LA to a house high above where the ocean meets the mountains. A woman is standing outside the gate. It's publicist Yvette Shearer. And she's with the man we are

发表于:2019-01-16 / 阅读(144) / 评论(0)

2017年NPR美国国家公共电台3月

经济学人152:攻破屏障

Science and technology 科学技术 Creutzfeldt-Jakob disease 克雅氏病 Breaking down the barrier 攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-c

发表于:2019-01-26 / 阅读(167) / 评论(0)

经济学人科技系列

经济学人129:喜马拉雅山受到了污染

Science and Technology Pollution in the Himalayas Time to call the sweep? 科技喜马拉雅山受到了污染是时候呼吁清扫了吗？ Soot gets everywhere. Even into the world's highest mountains 到处都弥漫着烟灰，甚至蔓延到了世

发表于:2019-01-26 / 阅读(252) / 评论(0)

经济学人科技系列

经济学人107:克雅氏病攻破屏障

Science and Technology Creutzfeldt-Jakob disease Breaking down the barrier 科技克雅氏病攻破屏障 A glimmer of hope for a drug that treats disease caused by prions 药物治疗朊病毒感染疾病的一线希望 THE epidemic of mad-cow dis

发表于:2019-01-26 / 阅读(150) / 评论(0)

经济学人科技系列

Berdych, Radwanska into China Open finals

BEIJING, Oct. 8 (Xinhua) -- Czech third seed Tomas Berdych muscled out top seed Jo-Wilfried Tsonga of France here on Saturday to reach the final of the 2.1-million-U.S.-dollar China Open ATP tournament, while Poland's Agnieszka Radwanska saw off Ital

发表于:2019-02-07 / 阅读(165) / 评论(0)

英语新闻

英语歌曲:Still Here

Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。从那首著名的A Place Nearby开始，Lene的歌总在最不经意的地方给人惊喜。 Still Here Lene Marin I just can't he

发表于:2019-02-08 / 阅读(117) / 评论(0)

好听的英文歌曲

Brazil unlikely to hire foreign coach, says CBF

发表于:2019-02-18 / 阅读(110) / 评论(0)

英语新闻

每天吃鲑鱼像戒烟一样有益

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(364) / 评论(0)

阅读空间

音乐咖啡厅:小野丽莎(She wore a yellow ribbon)

小野丽莎日本首席 Bossa Nova 女王，小野丽莎那充满阳光气息的轻快乐章，比起巴西当地歌手也丝毫不显逊色。因此不仅在日本，小野丽莎的音乐在全世界都受到肯定，不论是纽约或巴西的演唱会都有盛大的回响。甚至得到 Bossa Nova 之神 Antonio Carlos Jobim 的青睐，双方

发表于:2019-02-18 / 阅读(145) / 评论(0)

音乐咖啡厅

天籁音乐:My Lucky Day

Lene Marin的声音属于那种很舒服很随意，表面平淡但内里蕴含着百转千回，令人百听不厌。新的一天开始了，告诉自己，今天是我的lucky day！ My Lucky Day Lene Marin Tell me what you saw that was so bad Tel

发表于:2019-02-20 / 阅读(138) / 评论(0)

天籁音乐

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

acquired atresia of vagina