突变负荷

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(69) / 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(92) / 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(99) / 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(117) / 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(100) / 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(93) / 评论(0) 分类 英语听力广播—Listening

084 Donkey and the Load of Salt Once upon a time, a salt merchant moved from place to place selling salt. One day, he was walking on a bridge over a stream with salt loaded on the back of a donkey. Yo-ho! Yo-heave-ho! Donkey and the Load of Salt The

发表于:2018-12-31 / 阅读(280) / 评论(0) 分类 100个儿童英语小故事

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(129) / 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(121) / 评论(0) 分类 Scientific American(六)月

Once, there lived a peddler. The peddler sold all sorts of goods.sturdy shoes for the farmers and pretty trinkets for their sweethearts, warm, woolly shawls to keep the women warm and sweet, sticky toffees for the children to munch on their way back

发表于:2019-01-08 / 阅读(119) / 评论(0) 分类 英语小短文

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(144) / 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(88) / 评论(0) 分类 VOA慢速英语2008年(五)月

A bus load of politicians were driving down a country road when all of a sudden the bus ran off the road and crashedinto a tree in an old farmer's field. The old farmer after seeing what happened went over to investigate. He then proceeded to dig a l

发表于:2019-01-16 / 阅读(164) / 评论(0) 分类 趣味英语

After the French had left Moscow,two peasants went out to search for treasures.One was wise,the other stupid.They went together to the burnt part of the city,and found some scorched wool.They said:That will be useful at home. They gat

发表于:2019-01-16 / 阅读(131) / 评论(0) 分类 趣味英语

Talking about work load A: Thank God! I am finished writing that service guide! It took me forever! B: When did you finish? A: This morning! No more overtime, and no more headaches! B: Well, Im glad to hear it. Have a cup of coffee! 议论工作量 A:

发表于:2019-01-20 / 阅读(183) / 评论(0) 分类 办公室英语口语

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(141) / 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(122) / 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(164) / 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(151) / 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(161) / 评论(0) 分类 人物杂志
学英语单词
adenosyl
antecedent debt
arc welding generator
auggie
Bechem
beryllium reflector
binary image value
brando alta regina (italy)
broadbeam light
carbamoylcholine
carrot pudding
cerebral localization
chaff dispenser system (cds)
combined churn
compensating emphysema
corrugated aluminium sheet
delivery point
dualizes
Ellingen
endometriosis of abdominal wall
epiplo-ectomy
epithiazide
ex-service
fifield
fluted reamer
form a plan
full custom IC
gault clay
geary's contiguity ratio
gittes
Gouy-lez-Piéton
green's constitutive equation
guardian by testament
guided ballistic missile
guilt-trip
hackbusses
hair-trigger method
happy dispatch
hypertrophic inflammation
ice-gray
indecomposable module
information sponsor
Infraton
initial nuclear radiation
John XIII
kuniuling series
label recognition
labor completed
London Traded Options Market
longitudinal comparator
magnet chamber
man land ratio
marlet
medium-speed
Meulengracht icteric index
mining industry economics
monadelphous stamen
Morozaki
Network interoperability
notingfor protest
of zero-lift drag coefficient
oil spoon
operating capacity
opsonic immunity
Orthoperidae
os pharyngeum inferius
Otto Frisch
paraff
percentage on original cost plan
piperocaines
poker
polycyclic disease
preposed
prezone phenomenon
protosilicate
pseudoliterary
put in on
recepticious
reply request indicator
resegregated
RH-
roof scuttle
sedewale
sentimentise
Shrady's saw
single-point cutting tool
six-gilled shark
soft sheaf
stuffing box bearing
Stutz Bearcat
Sulfo-Merthiolate
supercategory
supervene with
sympycnus formosinus
tamping drum
unconfined compression strength test
unit share investment trust
variable price policy
water-repellent preservation
wave sb. on
wooly blue curlss
zygamgium