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(119) / 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(145) / 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(148) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(174) / 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(159) / 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(157) / 评论(0) 分类 英语听力广播—Listening

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(176) / 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(178) / 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(220) / 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(144) / 评论(0) 分类 VOA慢速英语2008年(五)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(145) / 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(195) / 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(177) / 评论(0) 分类 经济学人科技系列

A cat who prefers to stand up on two paws has become the latest feline internet sensation, thanks to his super strong back legs. 最近有一只猫在网上迅速蹿红,它用两只后腿站立的萌姿俘获了大批网友。 George, the Munchkin-

发表于:2019-02-09 / 阅读(124) / 评论(0) 分类 阅读空间

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么? Well as you know, genes, which are part of the DNA, 正如大家所知,基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码

发表于:2019-02-14 / 阅读(176) / 评论(0) 分类 TED演讲科学篇

SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were

发表于:2019-02-16 / 阅读(240) / 评论(0) 分类 英语语言学习

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(150) / 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(215) / 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(216) / 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(212) / 评论(0) 分类 人物杂志
学英语单词
acceptance of a theory
access(ing) opening
acer sinopurpures-cens cheng
Advanced Configuration and Power Interface
all-share
Amendolara
analysis phase
anterior nariss
antifibrinolytics
apposition fabric
argillaceous hematite
arthroderma uncinatum
ATM Forum
average recovery
aviation fuel pumping unit
balken
Berkeley Heights
boskovits
Bulbophyllum haniffii
bundus
CERM-1978
channel gating
classified subject index
closed-impeller
Colpaporrhexy
constituent power
cranking up
current source circuit
curtatively
daisy-chaining
double flats
double-webbed girder
Edgecumbe B.
enterprises in underdeveloped industries
farimah
fire
five-four
frank-ferm
fresh water fishery
furnace heating-up
genus syrrhaptess
Geojeman
glissandis
glutei maximi
h(a)emoglobin
holarchus formosanus
Hong Kong Shipowners Association
Houdriflow catalytic cracking
Houwink's system
ice stowage
infantile purulent conjunctivitis
injection moulding
input passband
Iowa Park
john waynes
Kalaiyā
laverl
link layer
longitudinal control
middle of the road
Minas de Corrales
monochromatic
muscular energy braking system
nimblin
nothin'
Nyun'karakutari
over-seas
parallel robot
Pectolite-M2abc
periodontal atrophy
police the street
poor-risk
postfixed
prerehearsal
protection zine
radiation-controlled balloon (racoon)
re-designs
reexamined
refueling aircraft
report-writings
resistance to chemicals
ringed stem
sesam-seed oil
shallow-copy
shereef
short forms
Sierpinski cube
sporogenous propagation or reproduction
standard correction
statelet
suitoring
suspension cable railway
swivel cargo hook
Talang, Gunung
tarry cut
telephone junction box
torteise
urethreurynter
walked into
wellston
yufts
yuma