[网络] 原核细胞

【英语时差8,16】心脏为什么不会疲倦？

Your heart muscle does something truly incredibleit expands and contracts, non-stop, every moment of every day of your entire life. By comparison, if you tried to squeeze and release the muscles in your hand, they would grow fatigued and need to rest

发表于:2018-12-03 / 阅读(106) / 评论(0)

英语时差8，16

国家地理-2008-03-20 Rho Ophiuchi Cloud 璀璨的星云

Rho Ophiuchi dark cloud is one of the closest star-forming regions to our own solar system. Located near the constellations Scorpius and Ophiuchus, the nebula is about 407 light years away from Earth. The infrared astronomical satellite, now celebra

发表于:2018-12-05 / 阅读(156) / 评论(0)

国家地理2008年

VOA慢速英语2015 三人创造的人类胚胎辩论超越科学和宗教

'Three-Person Babies' Debate Goes Beyond Science and Religion 三人创造的人类胚胎辩论超越科学和宗教 Britain has become the first country to permit doctors to use genetic material from three people to create human embryos. The process

发表于:2018-12-16 / 阅读(81) / 评论(0)

2015年VOA慢速英语(三)月

英语听力—环球英语 1437 The History of Money

Voice 1 Welcome to Spotlight. Im Katy Blake. Voice 2 And Im Christy VanArragon. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 Small, shiny shells. Roun

发表于:2018-12-19 / 阅读(99) / 评论(0)

环球英语 Spotlight

人为什么分成男人和女人?

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(94) / 评论(0)

英语听力广播—Listening

【突破英文词汇】prot, proto -- first 第一

1. protagonist /prəˈtgənɪst/ -- the leading(first) character in a play, novel or story Brutus is the protagonist in William Shakespeare's Julius Caesar and Antony is the antagonist. 布鲁特斯在威廉莎士比亚的《尤利乌斯凯撒》中是

发表于:2018-12-30 / 阅读(100) / 评论(0)

突破英文词汇

英伦广角 2015-02-07 英国议会下院通过“三亲育子”技术法案

If you're confused by Three Parent... you come to the right place. This is my kitchen lab. The eggs here are somewhat larger but the principles are the same and allows me to demonstrate what scientists hope to do with humans. Inside the egg core are

发表于:2019-01-02 / 阅读(83) / 评论(0)

英伦广角

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(147) / 评论(0)

60秒科学

VOA慢速英语2018 科学家观测到巨大星系团的诞生

Scientists Observe Birth of Huge Galaxy Cluster For the first time ever, astronomers have observed the birth of a galaxy cluster, known as a protocluster. The event, billions of light-years away, could form one of the largest-known structures in toda

发表于:2019-01-03 / 阅读(105) / 评论(0)

2018年VOA慢速英语(五)月

专业术语—中草药成分英汉对照词汇P2

d-Pinoresinoldi-O-b-glucopyranoside 松脂酚双吡喃葡萄糖甙 d-Pinoresinol d-松脂素 Piperitone 胡椒酮 Plantaginin 车前甙 Platycodin A, C, D 桔梗皂甙A，C，D Podophyllotoxin 鬼臼毒

发表于:2019-01-03 / 阅读(169) / 评论(0)

医务英语

VOA常速英语2007年-Australia's New PM Signs Kyoto Protocol on Clim

By Phil Mercer Sydney 03 December 2007 Kevin Rudd has been sworn in as Australia's new Prime Minister with an agenda of action on climate change and the repeal of unpopular industrial laws. The new government has signed the Kyoto Protocol on climate

发表于:2019-01-25 / 阅读(113) / 评论(0)

VOA常速英语2007年（十二月）

研究:酗酒会导致肌肉无力

WASHINGTON, April 21 (Xinhua) -- U.S. researchers said Monday that muscle weakness from long-term alcoholism may be due to an inability of mitochondria, the powerhouses of cells, to self- repair. In research conducted with rats, the researchers found

发表于:2019-02-05 / 阅读(168) / 评论(0)

英语新闻

新型药物有望延长人类寿命至120岁

It sounds like something from a science fiction film, but a pill to counter the ageing process could become a reality. 这听起来有点像科幻片的桥段，但可延缓衰老进程的药物有望变为现实。 Scientists in Russia are testing a

发表于:2019-02-05 / 阅读(132) / 评论(0)

阅读空间

三人基因试管婴儿将合法化

British MPs have voted in favour of the creation of babies with DNA from two women and one man, in an historic move. 英国国会议员投票通过一项具有历史性意义的决议，支持用两母一父的DNA培育婴儿。 The UK is now set to

发表于:2019-02-09 / 阅读(101) / 评论(0)

阅读空间

经济学人:粒腺体影响男性寿命粒腺体阻断

Mitochondria and male lifespan 粒腺体影响男性寿命 Power down 粒腺体阻断 Women outlive men. An evolutionary curiosity may explain this 女性比男性寿命长久。欲知为何，请看进化学分解 Mankiller? 男性健康杀手？ WH

发表于:2019-02-16 / 阅读(72) / 评论(0)

经济学人科技系列

万物简史第437期:小生物的世界(8)

In 2001, a team from Tel Aviv University argued that B. permians were almost identical to a strain of modern bacteria, Bacillus marismortui, found in the Dead Sea. 2001年，以色列特拉维夫大学的一个小组认为，二叠纪芽孢杆菌与一

发表于:2019-02-17 / 阅读(130) / 评论(0)

万物简史

万物简史第428期:生命的起源(22)

Mitochondria manipulate oxygen in a way that liberates energy from foodstuffs. 线粒体支配着氧，释放食物中的能量。 Without this niftily facilitating trick, life on Earth today would be nothing more than a sludge of simple microbes. 没有

发表于:2019-02-17 / 阅读(123) / 评论(0)

万物简史

英语听力精选进阶版 6427

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(77) / 评论(0)

英语听力精选进阶版

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(130) / 评论(0)

英语时差8，16

中英双语新闻国演员艾伦·里克曼去世

The British actor Alan Rickman has died of cancer at the age of 69. In movies, he won fame for his role as Severus Snape in the Harry Potter series and before that in films such as Truly Madly Deeply, Love Actually, Die Hard, Sense and Sensibility an

发表于:2019-03-04 / 阅读(187) / 评论(0)

中英双语新闻

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antignons

Aspidiotus perniciosus

bacilius anthraris

best polynomial approximation

constant boiling(-point) mixture