败血性支气管桿菌

“I have a dream...” It is among the most celebrated speeches in American history. “My four little children will one day live in a nation where they will not be judged by the color of their skin

发表于:2018-11-28 / 阅读(272) / 评论(0) 分类 疯狂英语2002年

In this Moment of Science Yael and Don discuss how women can see more color. Yael: Not only are eight percent of men colorblind, but even compared to men who can distinguish between reds and greens, many women may live a more colorful existence. That

发表于:2018-12-05 / 阅读(117) / 评论(0) 分类 英语听力文摘 English Digest

Shareholders of the telecommunications equipment manufacturers Alcatel and Lucent have approved an $11 billion merger of the two companies. The new company, which will be called Alcatel Lucent, will be the world's largest telecommunications equipmen

发表于:2018-12-30 / 阅读(217) / 评论(0) 分类 初级商务英语听力2006

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(129) / 评论(0) 分类 英语听力文摘 English Digest

Lida: 温婉的Summer Whisper Lida: Summer Whisper Kiss the rose Listen to what it's singing I don't believe That there's no best ending Walk along the road Don't mind the storm that feaze me I still believe that I'll get to the termini Catch the tea

发表于:2019-01-06 / 阅读(158) / 评论(0) 分类 流行英文歌曲

Welcome to This I believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. I believe in honor, faith, and service. I believe that a little outrage can take you a long way. I believe in freedom of

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 2006年NPR美国国家公共电台

Tynisha Keli,原名Tynisha Keli Soares。1985年出生于美国,是一名RB歌手。2009年首张专辑The Chronicles of Tk在日本专辑排行榜拿下第15名,单曲 Shatter'd则在公告牌Japan Hot 100 Charts获得第六名的好成绩。T

发表于:2019-01-10 / 阅读(186) / 评论(0) 分类 天籁音乐

Winter Wheat According to the famous song, America is beautiful for its spacious skies, purple mountains, and amber waves of grain. If you were to make a music video based on these lyrics youd probably want mid to late summer images of fruit-laden tr

发表于:2019-01-26 / 阅读(160) / 评论(0) 分类 英语听力文摘 English Digest

Ya?l: Somebody bought my daughter a game called Cuddies. Don: I love that game! Y: I don't know about that. But the little plastic tongue-like part of that strange insect like body did inspire me to wonder about taste and insects. Do insects have t

发表于:2019-01-26 / 阅读(130) / 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(118) / 评论(0) 分类 英语听力文摘 English Digest

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss 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

发表于:2019-01-26 / 阅读(148) / 评论(0) 分类 英语听力文摘 English Digest

By Robert Berger Jerusalem 17 November 2007 The United Nations has criticized Israel's controversial separation barrier in the West Bank. As Robert Berger reports from VOA's Jerusalem bureau, Israel has rejected the report, saying the fence is vital

发表于:2019-02-06 / 阅读(201) / 评论(0) 分类 VOA常速英语2007年(十一月)

ROME, Feb. 21 (Xinhua) -- Napoli proved unstoppable at home in the Champions League when they beat Chelsea 3-1 at home in the first leg of the final 16 tie on Tuesday. Chelsea took the lead in the 27th minute through Juan Mata, and then Napoli respon

发表于:2019-02-07 / 阅读(175) / 评论(0) 分类 英语新闻

Nutrigenomics The study of genes has shown that every individual is genetic ally unique, and this discovery leads to a host of questions as to the relationship between an individuals genes and environmental factors such as diet. That is, how does die

发表于:2019-02-16 / 阅读(148) / 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(189) / 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(464) / 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

Science and technology 科学技术 The 2012 Nobel prizes 诺贝尔生理学奖 Good eggs 再生医学界的大好人 THIS year's Nobel physiology prize goes to Sir John Gurdon and Shinya Yamanaka for a crucial discovery in stem-cell science?how to m

发表于:2019-02-24 / 阅读(169) / 评论(0) 分类 经济学人科技系列

Mans Best Friendin All Shapes and Sizes Scientists are making great strides in understanding the genes that allow such a wide range of shapes, sizes and personalities in different dog breeds. Did you know domestic dogs were bred from wolves about 15,

发表于:2019-03-09 / 阅读(186) / 评论(0) 分类 英语听力文摘 English Digest

Fatherless Honeybee s How male honeybee s can be without fathers? The reason lies in whats called a haploidiploid system of sex determination. Approximate ly one-fifth of the animal kingdom, including ants and wasp s , use this system. What it boils

发表于:2019-03-09 / 阅读(262) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
administrative geography
akobo wenz
application oriented system
aquathlons
be still
binitro
bisync(binary synchronous communications)
Blue Veiner
blue-john (fluorite)
branch-and-bounds
Bruecke's muscle
caespiticolous
cancer of parotid glands
chevalier de bayards
choosing up
cographical matroid
comity
consecrating
continuous foundation
conversion of operand
danakil
daughtercards
defective chart
deoxidation spheras
die constant
display foreground
eastern samoas
Etam
Faberiopsis nanchuanensis
fair charge
feasible basic solution
final pyrolysis temperature
First Balkan War
foscarini
frictional resistance coefficient
friedguts
front wheel locking mechanism
frozen flow
ghettologist
glassworking
hair cystolith
head-bangs
high-strength low-alloy steel
home bucket
houseshoe
Idzo
in the not too distant future
ionic channel
Jamaican dollar
jucunda
liker
Litzelsdorf
load(ing) resistor
log-log plot
made a dead set at
mceachin
miniascape
Misiones, Sa.de
Mormodes
Moslemness
Muckle Roe
nagelsen
nomotopic stimuli
non-coincident
old world
Otradinskiy
oxide ceramic
panniculi
pectinibranchiate
pensions reserve
Petrocosmea mairei
pipelining segment
post-impressionists
pseudogley
pulse spacing code
quoteworthy
reasoning about belief
rimble-ramble
rudder angle pointer
second sex
shirl
sono-
spatial position
Spleen Muscle Channel
subcapsuloperiosteal
summary rule
Sunvecon
susy particle
to bum
total salt concentration
transformational structure
transgenderises
traumatic ptosis
Tres Puntas, C.
turning sander
vectorial enzyme
volume box
weighing bottle
what sb says, goes
winter-sleep
wood surface
zero ideal