音标:[,histәrәdʒi'netik] ;
后成的

014 bedroom Words Bed bedside table alarm clock wardrobe pillow duvet blanket sheet chest of drawers bedside lamp mirror dressing table pyjamas nightdress mattress Phrases Go to bed Get up Set the alarm clock Go to sleep Read in bed Make your bed Be

发表于:2018-12-02 / 阅读(198) / 评论(0) 分类 情景英语口语100主题

What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i

发表于:2018-12-31 / 阅读(133) / 评论(0) 分类 英语听力文摘 English Digest

Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad

发表于:2018-12-31 / 阅读(159) / 评论(0) 分类 英语听力文摘 English Digest

Did You Know That Moose Can Have Arthritis? Its easy to tell, even at a glance, that people and moose are pretty different. Moose, at least males, have big, wing shaped antlers. People have no antlers. Moose are herbivores, eating only plants. We eat

发表于:2018-12-31 / 阅读(116) / 评论(0) 分类 英语听力文摘 English Digest

By Paul Sisco Washington, DC 26 January 2006 watch Health report Promising new developments -- and disappointments -- in the battle against some of the major diseases plaguing the planet: Smallpox - w

发表于:2019-01-09 / 阅读(207) / 评论(0) 分类 2006年VOA标准英语(一月)

Stem Cell Therapy Effective Against HIV Virus in Mice The actual stem cells were injected in my arm, said Diana Souza. Diana Souza says stem cell therapy helped restore full use of her severely fractured arm. It is a miracle. It does work. And I have

发表于:2019-01-13 / 阅读(155) / 评论(0) 分类 VOA标准英语2012年(五月)

Cloning Pets Is animal cloning for real? I want to have my cat cloned. Well, animal cloning technology exists, but pet cloning isnt quite there yet. And it may never be. Why not? I could think lots of people could want to have copies of their pets. T

发表于:2019-01-26 / 阅读(137) / 评论(0) 分类 英语听力文摘 English Digest

Cyber -diversity 网络多样性 I'm so tired of hack ers . That's what happens when you have bunch of computers runing the same software. Because they share the same flaw s , if you can hack into one, you can hack into them all. That appens in natur

发表于:2019-01-26 / 阅读(129) / 评论(0) 分类 英语听力文摘 English Digest

Are Tanning Beds Safe? Millions of people go to tanning salons, some to get a base tan before they go away on a beach vacation. The idea of the base tan is that it will protect you from burning on your sun excursion, so that what you end up with is a

发表于:2019-01-26 / 阅读(140) / 评论(0) 分类 英语听力文摘 English Digest

a butterfly with glowing eyes Believe it or not, Monteiro and her team insert ed a new gene into the butterflys genetic sequenceone taken from a jellyfish . No, I know you're fooling. Actually I'm not. This gene codes for a green florescent protein t

发表于:2019-01-26 / 阅读(128) / 评论(0) 分类 英语听力文摘 English Digest

About six or seven million years ago chimpanzees and humans evolved from a common primate ancestor. Chimps went on to become the relatively small-brained, forest dwelling creatures we know and love. Humans went on to evolve large brains, spread throu

发表于:2019-01-26 / 阅读(121) / 评论(0) 分类 英语听力文摘 English Digest

JOHANNESBURG, May 30 (Xinhua) -- Ajax Cape Town's Thulani Serero won the player of the year award at the South African Premiership awards at Gold Reef City on Sunday. The 21-year-old striker's awards included Footballer of the Year Award, the Premier

发表于:2019-02-01 / 阅读(227) / 评论(0) 分类 英语新闻

The Most Successful Species on Earth 地球上最成功的物种 For many scientists, a species success is measured by sheer numbers. In that case, the most successful species known to man is a type of bacterium known as S-A-R-11, or SAR-11 for short

发表于:2019-02-24 / 阅读(156) / 评论(0) 分类 英语听力文摘 English Digest

Kissing Cousins 近亲之吻 Fans of classic movies will remember the famous dueling banjo s scene in Deliverance, the story of four city friends who take an ill-fated boating trip down a backwoods Georgia river. As the friends set out, one of the fr

发表于:2019-02-24 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

DNA Wrath of Khan 成吉思汗疯狂的基因 Today, Afghanistan is a war-torn region, battled over by military forces and world-spanning empire s . Eight hundred years ago things were much the same. Only then, there was only one ruler: Genghis Khan.

发表于:2019-02-24 / 阅读(194) / 评论(0) 分类 英语听力文摘 English Digest

Dmitry Belyaev, Foxes, And Domestication 你与猫或狗玩耍过吗?在远古,狗对我们的祖先来说还是一种比较危险的动物呢。那么,现在为什么它们这么听话?我们的祖先又是如何驯化它们的呢?今天,就

发表于:2019-02-24 / 阅读(468) / 评论(0) 分类 英语听力文摘 English Digest

Nutrigenomics 营养基因组学(nutrigenomics 或nutritional genomics,又叫营养遗传学 nutrigenetics)是研究营养素和植物化学物质对机体基因的转录、翻译表达及代谢机理的科学。 膳食是影响人体健康最重

发表于:2019-02-24 / 阅读(143) / 评论(0) 分类 英语听力文摘 English Digest

DNA Helps Catch Poachers 科学家们利用一种革命性的基因技术成功确定了走私犯屠宰大象的非洲地区,这些大象沦为全世界非法象牙贸易的受害者。利用非洲大象的DNA图谱,他们已发现最近缉获的象

发表于:2019-02-24 / 阅读(174) / 评论(0) 分类 英语听力文摘 English Digest

For Minnows, A Suicidal Survival Strategy 北美多种小型鱼类,特别是鲤科(Cyprinidae)鱼类的总称。亦指荫鱼科(Umbridae)和鱂科(Cyprinodontidae)鱼类,minnow一词又泛指许多大型鱼类的幼鱼。北美的鲤科米诺鱼包

发表于:2019-03-09 / 阅读(215) / 评论(0) 分类 英语听力文摘 English Digest

The Ancestry Of Snakes 古生物学界的一部分学者认为,蛇是由陆地蜥蜴的一个分支进化而来的,在进化的过程中,它们的脚逐渐退化消失了,而身子则变得越来越细长。另一种流行观点则认为蛇的前

发表于:2019-03-09 / 阅读(188) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
ahad haam
airstone
alphabet sequence
antihypolipidemic
assisted control
attractancy
audio postproduction room
avian morphology
Beatlemania
bewreak
bobbin spinning machine
Bolshakovo
BSDI
Buyeo-gun
cacogeneses
call her name
Canavalia ensiformis
Carex tenebrosa
catastrophe point
Cauchy's principle of the argument
close-spaced antenna array
competition range
Comtat-Venaissin
cracticuss
cross country jumping
cross-partial derivative
cudbird
cyophoric
deposit retained
Epimedium fargesii
ershovite
everybody eating from the same big pot
exocentrus nanshanensis
Finiels, Sommet de
fixed control area
Foramen cecum linguae
Fox Hills Sandstone
gamma autoradiography
Golbahār
gonogenesis
gradocol filter
Gregory XVI
Guangming (G37)
horizontal union
keemstar
key point of control
longan flesh
manual driven duplicator
masc
mechano-chemical pulping process
mellins
Mesta, Akra
molded centerline
monkhood's farewell
narrow curve
NC length milling machine
Newton's law
orthotonus
papillates
pertechnetic acid
petit-point
pile cap beam
placenta cotyledonata
Point-to-Point Protocol
position feedback
primary refrigerant pump
prismatical
promotion tournaments
rake vein
range of wind tide
raw video
regiones acromialis
residual current circuit breaker
restraint ring
self-discrimination
separate inverter unit
short bossing
singular field
slip end date
small abalone
social system
social-opinion
solvothermal
spectral angular cross-section
spermaticide
ssengendo
stokes stimulated emission
stomo-
The iron entered into his soul.
totalizations
triblets
U.S.A. screw thread
unseasoned
Valverde de Mérida
Varazze
vastity
vector instruction set
warm disease in summer
wet compress
What Are Those?!
wheel guard clamp
writing-board