突变固定

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 2016年VOA慢速英语(三)月

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(68) / 评论(0) 分类 TED演讲国际问题篇

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(74) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(二)月

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(60) / 评论(0) 分类 英语听力广播—Listening

By Barry Wood Washington, DC 18 October 2006 watch Hungarian Revolt report Fifty years ago, on October 23, 1956, Hungarians rose up against their communist rulers and for two precious weeks lived in relative freedom, until their revolution was bruta

发表于:2019-01-04 / 阅读(142) / 评论(0) 分类 2006年VOA标准英语(十月)

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(六)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(114) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(60) / 评论(0) 分类 VOA慢速英语2008年(五)月

By Stefan Bos Budapest 23 October 2006 Street riots and anti-government demonstrations have overshadowed the 50th anniversary of Hungary's 1956 Revolution against Soviet rule. The arrival of presidents, prime ministers and royals from different coun

发表于:2019-01-12 / 阅读(105) / 评论(0) 分类 2006年VOA标准英语(十月)

Tunisian Americans Celebrate First Free Elections Since 1956 Tunisians voted Sunday in what many are calling the political rebirth of the country. The Ennahdha party, a moderate Islamist group, looked set to win the most seats in early counting. Tuni

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2011年(十月)

Could you find out the premium rate for porcelain? 您能查一下瓷器的保险费吗? OK, just a second. 可以,请稍等。 No problem. 没问题。 Can you tell me if particular average insurance includes compensation of goods damage? 请问单

发表于:2019-01-23 / 阅读(64) / 评论(0) 分类 外贸英语一点通

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(106) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(90) / 评论(0) 分类 经济学人科技系列

By Stefan Bos Budapest 04 November 2007 Hungarians remembered Sunday those who died when troops from the Soviet Union crushed the 1956 Hungarian Revolution against Soviet domination and Communism. But as Stefan Bos reports from Budapest, this year's

发表于:2019-02-05 / 阅读(78) / 评论(0) 分类 VOA常速英语2007年(十一月)

Coming in unannounced, drag my nails on the tile I just follow your scent, you can just follow my smile All of your flaws are aligned with this mood of mine Cutting me to the bone, nothing left to leave behind You ought to keep me concealed just like

发表于:2019-02-18 / 阅读(80) / 评论(0) 分类 英文摇滚歌曲

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(133) / 评论(0) 分类 阅读空间

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始

发表于:2019-02-21 / 阅读(111) / 评论(0) 分类 人物杂志

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(133) / 评论(0) 分类 人物杂志
学英语单词
address the problem
aether petrolei
Al 'Uwayjā'
background absorption
bevel piston-ring
bidirectional laminate
bleed ... dry
bongoing
business efficiency guarantee
calculus cirrhosis
cayenne peppers
china everbright bank
classification dimensions
clock oscillator
control of weeds in narrow-row soybean
croupiness
cubic metres per second
customs of merchants
deer yard
delivery suite
diaphragmatocele
different nutritional stage
displaced poisson distribution
Dobbs
dog teeth
EBC
excited triplet state
feedwater pump
fly-switching
footlicker
Forbidden fruit is sweet.
fork-end
front bump spring bumper
get-out
grey lime roofing
haematomyelia
helpings
heptane
hexanediols
homosteric
Inawashiro-ko
kalabari
kibanda
Lac Ngoc
land clutter
lens carrier slide
leopard fur-effect
line-of-sight transmission channel
load sharing parallel model
locknut bearing
Lord Acton
lunar space flight
main electric lighting system
mehanna
membrane separation
Mlicrococcus capillorum
mob-stock
monoclonicity
net density filter
no-win
nylon monomer-cast nylon
oddly enough
older-styles
opportunity study
over leap one's shoulders
pantoyl-AMP
Pelusiac
pelviectasis
percentage of ewe bred at first heat
pericranium
Pittington
poke one's nose in
quick-release prop
rapid digestion of food and polyorexia
reafference principle
reflex reflector
resimulate
responsible organ
risk capital
Samson post
Schmieheim
sematophore
semi-built-up crankshaft
semigroupoids
ship carrying deck cargo
shrimplike
shunted meter
small-office
sol-faist
stable ocean platform
storage constant for aquifer
strand dune
superterrorist
suvar
temperature indicating device
travelling expenses within the city
unreaves
venture an opinion
viticulture
widemouth socket
Yamsk