[医] 白克氏产硷杆菌

“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(166) / 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(59) / 评论(0) 分类 英语听力文摘 English Digest

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

发表于:2018-12-29 / 阅读(115) / 评论(0) 分类 新视野大学英语读写教程(4)

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

1. I appreciate John's helping in time. 我感谢约翰的及时帮助。 2. I bought it the day it was released. 它发行的当天我就买了。 3. I doubted whether the story is true. 我怀疑那故

发表于:2019-01-03 / 阅读(133) / 评论(0) 分类 Modern English 洋话连篇

President Massimo Moratti and Internazionale wish to thank Claudio Ranieri and his staff for the professionalism and commitment they have shown through these past months, the statement said. The Nerazzurri were defeated 2-0 by Juventus on Sunday, to

发表于:2019-01-11 / 阅读(106) / 评论(0) 分类 英语新闻

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(75) / 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(68) / 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(54) / 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(78) / 评论(0) 分类 英语听力文摘 English Digest

UDY WOODRUFF: Finally tonight, to Mexico, and a personal look at the United States' neighbor to the south through the eyes of a journalist. MARGARET WARNER: Mexico is a country of riches and promise, now the second fastest-growing economy in Latin Am

发表于:2019-01-27 / 阅读(62) / 评论(0) 分类 PBS访谈社会系列

10 Great Places to Experience the Simple Life If you need to get away from it all this holiday season, take your stressed-out self to a place where life is a bit less complicated. Real Simple Magazine's managing editor, Kristin van Ogtrop, discusses

发表于:2019-02-04 / 阅读(303) / 评论(0) 分类 阅读空间

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(72) / 评论(0) 分类 英语听力文摘 English Digest

Books and Artts; Book review; 文艺;书评; Conundrums of science; 科学谜题; What is it for? 科学究竟有什么用? Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学;乔艾格著; SCIENCE works with problems b

发表于:2019-02-18 / 阅读(114) / 评论(0) 分类 经济学人综合

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(120) / 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(375) / 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(83) / 评论(0) 分类 英语听力文摘 English Digest

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(121) / 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(182) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
-ology
adairsville
air-frame
amino-terminals
Amundsen Glacier
anableps
angler's fish
angusticlaves
augensalz
basketloads
beacon identification
bench rammer
bowwow theory
braced beam
bubble pulse
built up connection
candidate key
carboxy nitrile rubber
carries a torch
Circaetus
clostridiums
coal coking process
compensatory financial flow
Consumer Product Safety Commission
countably seminormed algebra
culp
database semantic integrity
difference estimation
displacement pickup
Dragoni
drollness
earth station disks
ecological equivalence
engine deposit
extra excitation
extration
F-104
falling credit
family-therapy
forward derivative
free resolution
fuel rod surface temperature
Gentiana decumbens L.
granulatoside
haemocytometer
hairspring inside stud
hammer milling
have holidays by turns
heating plug
Ignatius of Antioch, Saint
in twain
infraclavicular triangle
intake ducting
interval time out
isolation of bacteria
jetavator
jury-rigged
Kelvin temperature
left adjoint
leg-leg line
light tug
low order character
membran
micro-Omega
mosaicking
motor homunculus
mucopurulent
nilradical
not on your tintype
nudnicks
oligomerizes
on a trial basis
photocarriers
plant sanitation
polynomiality
postabortal
priority system for mission requests for tactical reconnaissance
pyritiferous
rackety
radiation leak-tightness
raive
reaction initiator
rubber dermatitis
rugmen
scale beam
set fire to
silicon crystal mixer
silicotungstic acids
siphon sound
spacer gauge of dermatome
spacing of joints
spatering percentage
sum-and-difference system
supernumerary tooth
surplus of assets
thermal stage
trench knives
tricosene dicarboxylic acid
unnova
van der Waals bond
white rivers
wire rope socker