[医] 人血阳性率(蚊虫胃血)

VOA标准英语2011--Pythons Unlock Human Heart Health Secrets

Pythons Unlock Human Heart Health Secrets Studying snakes might seem like an unlikely way to help people with heart disease, but a pythons remarkable ability to quickly enlarge its heart during digestion has Colorado medical researchers looking towar

发表于:2018-12-16 / 阅读(70) / 评论(0)

VOA标准英语2011年(十一月)

雅思分类词汇大全：常见合成词

air conditioner 空调机 air raid 空龚 alarm clock 闹钟 arms race 军备竞赛 assembly line 装配线 baby-sitter 看孩子的人 bank account 银行帐户 birth control 节制生育 blood donor 献血者 blood pressure 血压 book case 书柜

发表于:2018-12-18 / 阅读(110) / 评论(0)

英文语法词汇

新视野大学英语读写教程第四册 unit7-a

Research into Population Genetics While not exactly a top selling book, The History and Geography of Human Genes is a remarkable collection of more than 50 years of research in population genetics. It stands as the most extensive survey to date on ho

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新视野大学英语读写教程(4)

365个英语简短小故事- 28. Spock Saves His Dad

Spock is a main character in the popular TV show Star Trek. He is half Vulcan, half human. A Vulcan has no emotions but is extremely smart and logical. Spock joined the all-human crew of the spaceship Enterprise to explore the universe. Spocks dad, S

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365个英语简短小故事

Aztecs 远古的回响 -- Aztecs帝国 10

Victims were tether ed to the center and provided only with dummy weapons. Warriors fought them to the death. Both Aztecs and their enemies were sacrificed. For the Aztecs it was an honor. But sacrifi

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远古的回响

SSS 2010-11-08

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with

发表于:2019-01-08 / 阅读(139) / 评论(0)

Scientific American(十一)月

SSS 2010-08-04

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute？ Heres a possible blood pressure remedy. But its only for those who can stand the heat. Its capsaicin, the active ingredient in peppers like habaneros that should pro

发表于:2019-01-08 / 阅读(142) / 评论(0)

Scientific American(八)月

与美国小学生一起学英文第11册第12期:铁

Iron 铁 Iron is a very important element in our lives. 铁是我们的生活中非常重要元素。 It is a kind of metal. 它是一种金属。 Thousands of years ago, people with iron swords and armor were the most powerful people. 几千年前，拥

发表于:2019-01-10 / 阅读(104) / 评论(0)

与美国小学生一起学英文第11册

与美国小学生一起学英文第11册第8期:遗传学家

Geneticist 遗传学家 If you mom's blood type is O and your dad's blood type is A. 如果你妈妈是O型血，你爸爸是A型血。 Your blood type must be either A or O. 那你不是A型血就是O型血。 How do we know this fact? 我们是怎么

发表于:2019-01-10 / 阅读(114) / 评论(0)

与美国小学生一起学英文第11册

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create E

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC

发表于:2019-01-11 / 阅读(113) / 评论(0)

科技之光

VOA慢速英语 2007 1204b

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: File photo of embryonic stem cells in a laboratory dish And I'm Pat Bodnar. This week, we will tell about efforts to make what appear to be embryonic stem cel

发表于:2019-01-11 / 阅读(183) / 评论(0)

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TED演讲 :世人不知的亚马逊人智慧(2)

He was rescued by a group of isolated Indians called the Mats's. 他被一群叫做Matss的与世隔绝的印第安人救了下来。 They beckoned for him to follow them into the forest, which he did. 他们示意他跟随他们进入丛林，他照做

发表于:2019-01-18 / 阅读(89) / 评论(0)

TED演讲娱乐篇

HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow

HEALTH REPORT - Blood Transfusion Blamed for Second 'Mad Cow' Infection in Humans By Cynthia Kirk Broadcast: Wednesday, August 18, 2004 This is Gwen Outen with the VOA Special English Health Report. B

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1,supplementary nutrients Vitamin D was mainly rely on two channels， one is to obtain from food， and the other one is on the adoption of solar ultraviolet radiation in human skin synthesis of vitamin D3， it can even in the small intestine to pr

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Database of DNA reunites families

BEIJING, Sept. 26 (Xinhuanet) -- Fu Ming'ai was reunited with his family on Sunday after 22 years. He is one of the more than 1,400 abducted children who were helped by a national DNA database, which helps match trafficked children and their parents.

发表于:2019-02-02 / 阅读(128) / 评论(0)

英语新闻

再生医学新发现菠菜叶能培养人类心肌组织

US scientists have successfully cultivated human heart tissue on spinach leaves, and managed to make it beat for up to three weeks. 美国科学家成功在菠菜叶上培育出人体心脏组织，并成功使其跳动长达三周。 Bioengineers Gl

发表于:2019-02-07 / 阅读(70) / 评论(0)

英语新闻

美国俚语: 混淆视听 muddy the water

今天要学的习惯用语是muddy the water，muddy是由mud发展而来的词。这里的muddy是动词，意思是弄得浑浊。muddy the water从字面意思来看就是在水里搅起泥浆，使水浑浊。其实这个习惯用语对中国听

发表于:2019-02-09 / 阅读(82) / 评论(0)

美国俚语

迷你对话学地道口语第266期:骨肉至亲

迷你对话： A: Mrs. Smith, you are always worried about your children. 史密斯太太，你总是牵挂着孩子。 B: They are my own flesh and blood. Its hard for me to see them suffering. 他们都是我的骨肉，我不忍看到他们受苦。

发表于:2019-02-15 / 阅读(108) / 评论(0)

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雅思分类词汇：常见合成词

发表于:2019-02-19 / 阅读(139) / 评论(0)

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【跟着美剧练发音】吸血鬼日记26

Stefan: I would never hurt you. You're safe with me. Elena: All those animal attacks, those people who died... Stefan: No. That was Damon. Elena: Damon? Stefan: Yes. I don't drink human blood. That's not how I choose to survive, but Damon does. I'll

发表于:2019-02-23 / 阅读(91) / 评论(0)

跟着美剧练发音

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after - tax profit

alliins

Allis' sign Ellis' sign

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aryteno-epiglottic fold(or aryepiglottic fold)

Bemberg's stretch spinning apparatus