外突变;因细胞核基因引起色素体的突变

MARIO RITTER: Welcome to THE MAKING OF A NATION American history in VOA Special English. Franklin Roosevelt's New Deal policies during the nineteen thirties changed the face of American government. The new president and the Congress passed legislatio

发表于:2018-12-07 / 阅读(68) / 评论(0) 分类 2011年VOA慢速英语(三)月

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(62) / 评论(0) 分类 2016年VOA慢速英语(三)月

糖尿病患者或见新希望?NMN蛋白质 A substance that the body makes naturally may be a key to rolling back Type 2 diabetes.Researchers used a substance to restore normal blood sugar metabolism in diabetic laboratorymice. Washington Universi

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 VOA标准英语2016年(七月)

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(84) / 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(87) / 评论(0) 分类 Scientific American(五)月

Short Conversation 接待办理 A:Good morning.I am here to pick up a badge.I have already registered online. B:May I have your name or confirmation number? A:I have a confirmation e-mail here. B:Okay,Mr. Kazuo Imai,everything looks good.Let me print

发表于:2018-12-27 / 阅读(61) / 评论(0) 分类 英文导学

Barbara Jordan, 1936-1996: A Powerful Voice for Justice and Social Change Jordan was the first African-American woman elected to the United States Congress to represent Texas. VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Sarah Long with People in A

发表于:2019-01-01 / 阅读(79) / 评论(0) 分类 名人轶事

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(114) / 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(101) / 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(135) / 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(73) / 评论(0) 分类 VOA慢速英语2008年(五)月

I'm Steve Ember. BARBARA KLEIN: And I'm Barbara Klein with People in America in VOA Special English. Today we tell about the award-winning poet and writer Lucille Clifton. Critics call her one of the greatest writers of our time. (MUSIC) STEVE EMBER:

发表于:2019-01-12 / 阅读(103) / 评论(0) 分类 2010年VOA慢速英语(四)月

SHIRLEY GRIFFITH: Im Shirley Griffith. SARAH LONG: And Im Sarah Long with the VOA Special English program PEOPLE IN AMERICA. Today we tell about music writer and performer Roger Miller. (MUSIC) SHIRLEY GRIFFITH: The name of that song is Dang Me. It w

发表于:2019-01-12 / 阅读(193) / 评论(0) 分类 2010年VOA慢速英语(十)月

Natural Substance Reverses Diabetes in Mice Researchers used a substance, made naturally in the body, to reverse diabetes in mice, a finding which could be key to rolling back Type 2 diabetes. The enzyme, called NMN (nicotinamide mononucleotide), res

发表于:2019-01-19 / 阅读(73) / 评论(0) 分类 VOA标准英语2011年(十月)

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(119) / 评论(0) 分类 经济学人科技系列

THE MAKING OF A NATION - February 28, 2002: Election of 1936 By David Jarmul THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) Franklin Roosevelt's New Deal polic

发表于:2019-01-30 / 阅读(107) / 评论(0) 分类 The Making of a Nation

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(105) / 评论(0) 分类 经济学人科技系列

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(152) / 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(133) / 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(145) / 评论(0) 分类 人物杂志
学英语单词
'd
agree to do something
algetic
asepses
automatic interpretation
Ban Tha Rong
band suction
before phrase
black-topped purlieus
bottom-hopper barge
brewing technique
bubale
Bulg
callisection
carchy-schwarta inequality
carpet grasses
celestial navigation trainer
centre of pressure position
chemical-formula
cmi (computer managed instruction)
cockpit of Europe
constant applicative form
creep fatigue
cystadenofibroma
determined cumulative runoff
dextroclination
Dictionary of Chinese Pharmacy
disproportionate withdrawal
Dytiki Ellas, Periochi
earthy impurity
effumation
emergency import
Ercps
esii
flow by
fluorescent particle atmospheric tracer
fluorimetrically
forest succession
foxlikest
Fulflex
Furci
gynomastia
harmonic ringer
have a taste of
hemachrosis
indenture befaulting
ingenol
inhomogeneous coordinates
involv
kanik
legbreakers
light colour
light material enclosure
lighting arrangement
link pack area library
loom-state
luminous set
mechanism of coke formation
medium-scale data utilization station (mdus)
megamarkets
melanophilin
midwave-infrared lasers
molluskan
multiloop regulation
neoplasticity
osteoclastic
palkhivala
political rally
pretty-pretties
prulicosis
punctuation mark
reconstituted cell
reducing fusion
repair funds
rocking lever
rotor field spider
scavenge oil pump
shalamcheh
shunt loading
single-axis accelerometer
Smilax scobinicaulis
son of toil
speculumforceps
sponge silver
stump puller
submarginal ore
take one's cue from
tankage press
technology infrastructure
tetraiodothyronine(thyroxine)
three-channel bidirectional bus switch
to be interesting
transient hypertension of pregnancy
tri-active amylamine
typing-pools
undecidables
unique variable
universal joint centering sphere
vacuum-type transfer tongs
Vroutek
weane
white-heart malleable iron