操纵基因构成突变

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(138) / 评论(0) 分类 2016年VOA慢速英语(三)月

Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 2017年Scientific American(六)月

Evolving Toward Cancer Is it possible that humans evolved to get cancer? Thats what scientists at Ben Gurion University in Israel claim in a study. They found that the same genetic mutations involved in the evolution of modern humans also gave rise t

发表于:2018-12-27 / 阅读(111) / 评论(0) 分类 英语时差8,16

模仿文本: That was a headline on September 5th, the end of the concept of junk DNA. Actually, geneticists had long abandoned the idea that our genomes are riven with all the rubbish. But what was once called junk was largely still unexplored. 译

发表于:2018-12-28 / 阅读(229) / 评论(0) 分类 英音模仿秀

Science and technology. 科技。 Salt-tolerant rice. 耐盐大米。 Nuclear-powered crops. 核动力粮食。 Physics meets biology in a project to breed better strains of rice. 物理学与生物学的碰撞--优质大米培植。 THOSE who turn t

发表于:2018-12-31 / 阅读(186) / 评论(0) 分类 经济学人科技系列

《绝望主妇》原句: We have to get rid of the car. But we cant sell it. The police might find it, and there could be DNA. 单词词组讲解 Get rid of sth/somebody 摆脱 发音讲解 Get rid of 的t吞音,d连读 最后翻译: 我们必须把

发表于:2018-12-31 / 阅读(194) / 评论(0) 分类 小紫带你轻松学美剧

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(192) / 评论(0) 分类 Scientific American(五)月

Mutation 突变 Do you know about mutations? 你知道突变吗? A mutation happens when the DNA structure in a gene changes. 当基因的DNA结构发生变化时就会发生突变。 Once a mutation happens, the change can't be reversed. 突变一旦

发表于:2019-01-10 / 阅读(180) / 评论(0) 分类 与美国小学生一起学英文第12册

Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋

发表于:2019-01-11 / 阅读(188) / 评论(0) 分类 美国乡村音乐

Each year, scientists work to develop a unique influenza vaccine to protect people against the strain expected in the coming flu season. Mutations in the virus mean that last year's vaccine probably won't protect against this year's flu variety. Now,

发表于:2019-01-13 / 阅读(198) / 评论(0) 分类 VOA标准英语2010年(七)月

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 节奏布鲁斯

❤ 模仿文本:Well we know that all cancers originally arise from one abnormal cell that has gone to the bad that's started to grow when it shouldn't grow to proliferate and to invade. And the reason that that happens is because mutations have a

发表于:2019-01-23 / 阅读(171) / 评论(0) 分类 英音模仿秀

Cancer therapy 癌症治疗 Taking aim sooner 即将实现对症下药 If personalised medicine is to achieve its full potential, it should be used earlier on in clinical trials 若想让个体化药物发挥最大潜力,那就应该尽早将它投入

发表于:2019-01-26 / 阅读(231) / 评论(0) 分类 经济学人综合

This is the VOA Special English Agriculture Report. Soybeans are eaten by people and fed to animals. Some farmers grow them to replace lost nitrogen in the soil. Soybeans were first grown in Asia thousands of years ago. Now scientists have a full gen

发表于:2019-01-31 / 阅读(168) / 评论(0) 分类 2010年慢速英语(二)月

Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly. 科学家称他们已经在探究为什么有的人青春长驻而另一些人逐年老去这一问题上取得突破性进展。 They

发表于:2019-02-01 / 阅读(140) / 评论(0) 分类 阅读空间

Operator - 美国乡村音乐 Operator, well could you help me place their call see the number on the match book is old接线生,你能帮我从旧的电话簿上找到他的电话号码上我和他联系上么 Shes living in with my best old friend她和我最好的朋友的老朋友住在一起 Sh

发表于:2019-02-03 / 阅读(223) / 评论(0) 分类 美国乡村音乐

The number of people living past 100 has soared by 71 per cent in the past decade. And while one expert believes this figure will continue to rise, he stated that anyone hoping to live for double or triple this time will be disappointed. Speaking at

发表于:2019-02-05 / 阅读(174) / 评论(0) 分类 英语新闻

Autism 自闭症 Why it's not Rain Woman 为什么它不是雨女 Women have fewer cognitive disorders than men do because their bodies are better at ignoring the mutations which cause them 与男性相比,患有认知障碍的女性较少,因为她

发表于:2019-02-16 / 阅读(142) / 评论(0) 分类 经济学人科技系列

The anatomy-related adaptations were those that seemed to control the development of the pandas second thumbs. 与生物体结构相关的基因有可能控制熊猫第二拇指的生长。 Two genes in particular, DYNC2H1 and pericentrin, have mutat

发表于:2019-02-16 / 阅读(147) / 评论(0) 分类 经济学人科技系列

Diamond life lover boy He move in space with minimum waste and maximum joy City lights and business nights When you require street-car desire for higher heights No place for beginners or sensitive hearts When sentiment is left to chance No place to b

发表于:2019-02-20 / 阅读(178) / 评论(0) 分类 节奏布鲁斯
学英语单词
Abert's towhee
affect ignorance
algorithm insolubility
anti - roll bar
Bansberia
begonia feastiis
beneficiary of a transferable credit
biosilicification
bismuth hydrate
bone tractor
chemoheterotroph
clothing factory
clover-leaf rolls
code signing
complex table
computerization time
cyclofunctionalization
demutualized
di-tert-butyl peroxyphthalate
disc of confusion
donarite
dosed cycle turbine
drum-oriented system
dry-weather discharge
equal-falling particle
even-charge
exhaust curve
factory overhead applied
field scanning frequency
flight unit
freebased
Fuensalida
genuphallation
Gesinol
gold copper
herpes
heteropolyanions
hexamethylene-tetramine (urotropine)
hypoidism
I have a fever
impugner
input data instruction
insulating rubber tape
intervalencetype
kalapuyans
Kashiwazaki
liberal arts college
linworth
Little Gem
lukes
made herself known to
marginal fissure
marime observation
metatext
military chess
misboden
mispaired
newsses
non-equity share capital
OPWL
orbital decompression
over shifting
over-complexity
passive homing
pet sitting
pressure equalizer
proof paper
puffadder
pull someone up
refrigerated trailer vessel
remain'd
remote transmitting gauge
Roumansh
sickle-cell anaemia
single-engine locomotive
Sonhat
sound insulation coefficient
spark inductor
sphenic
spillwater
spleen
spot blight
sub-records
subcostal incision
sun-fever
superphylum
sutor
system of time-sharing system
technological evolution
tensive
terminal output buffer
traverso
triaxial apparatus
tristifical
two-stage relay
under produce
unpolishedness
unprotected sex
upper vertical tail
Uvaria boniana
wood carver