基因平均置换时间

STEVE INSKEEP, HOST: Now we have a story about the power of science to heal. For decades scientists have been dreaming about curing diseases with gene therapy. Those dreams have not become reality, but there's growing excitement now. NPR health corre

发表于:2018-12-02 / 阅读(214) / 评论(0) 分类 2017年NPR美国国家公共电台11月

Picture a gamer, someone who spends countless hours immersed in one of those online role-playing alternate realities. And what do you see? Is it a physically fit female closer to 40 than 14? If not, you may need to rethink your assumptions about geek

发表于:2018-12-02 / 阅读(176) / 评论(0) 分类 Scientific American(十二)月

This is the VOA Special English Health Report. The next time you think about going without sleep, consider this: Laboratory animals that are kept awake for long periods of time ... die. Yet sleep scientist Ying-Hui Fu at the University of California

发表于:2018-12-15 / 阅读(141) / 评论(0) 分类 VOA慢速英语2009年(八)月

文本节选 Iam a dwarf. God made me this way. Im little, just like He made you have brownhair and blue eyes. Basedon birth records, its estimated that there are at least 15,000 people withdwarfism in the United States. And there are more than 200 d

发表于:2018-12-18 / 阅读(125) / 评论(0) 分类 有声英语文学名著

我们之前一直说和老外聊天的时候有一个很禁忌很私人的问题,那就是你不能问老外你赚多少钱? 有人说美国农民都赚的比中国白领多;有人说美国经济垮啦每个人都欠了一屁股债。那美国人

发表于:2018-12-26 / 阅读(189) / 评论(0) 分类 美国文化脱口秀

Scientists in Oregon successfully fixed a disease-carrying gene in human embryos. It was the first time this has been done. This small effort could be a big step in preventing inherited, or gene-related diseases. A research team at Oregon Health Scie

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 2017年VOA慢速英语(八)月

By Robert Raffaele Washington 29 April 2008 For the first time, scientists have used gene therapy to dramatically improve sight in people with a rare, inherited form ofblindness. Researchers in Philadelphia and London are calling the results a milest

发表于:2019-01-03 / 阅读(196) / 评论(0) 分类 VOA常速英语2008年(四月)

RACHEL MARTIN, HOST: This next story is about a line of cancer research that could potentially help a huge number of people, people like Michael Robertson. MICHAEL ROBERTSON: I'd been having unidentified symptoms for a few months, but it was during a

发表于:2019-01-16 / 阅读(129) / 评论(0) 分类 2018年NPR美国国家公共电台3月

Todd: So, Rebecca, how would you describe the average Australian? Like if you had to stereotype an Australian, what would you say? Rebecca: I suppose a stereotypical Australian would be in board shorts, thongs, as in flip-flops, and outside, having a

发表于:2019-01-20 / 阅读(167) / 评论(0) 分类 原版英语对话1000个

In the collective imagination, there are two Europes: the industrious north, with relatively low unemployment and dynamic economies, and the sluggish south, where people would just as soon kick back, sip an espresso and watch the world go by. Many pe

发表于:2019-02-01 / 阅读(130) / 评论(0) 分类 阅读空间

Taxes on wage income vary heavily around the world. 世界各地的工资税率大不相同。 The OECD recently published a report comparing the tax burden on wages in the world's developed economies. One of the main measures the OECD used in the re

发表于:2019-02-05 / 阅读(237) / 评论(0) 分类 阅读空间

abc classificiation abc分类法 Accomplish a Bill of Lading (to) 付单提货 Act of God 天灾 Actual Displacement 实际排水量 Ad valorem freight 从价运费 Addendum (to a charter party) ( 租船合同)附件 Additional for Alteration of Dest

发表于:2019-02-05 / 阅读(178) / 评论(0) 分类 实用英语

The typical first-time bride is now 30-years-old when she walks down the aisle, according to UK's national statistics. They also show that the number of marriages is at its lowest level since 1895. 英国国家数据显示,如今大部分头婚新娘

发表于:2019-02-06 / 阅读(142) / 评论(0) 分类 阅读空间

Want to know how to improve you You grades without having to spend more time studying? Sounding too good to be true? Well, read on How To Improve You Study Habits Perhaps you are an average student with average intelligence. You do well enough in sch

发表于:2019-02-09 / 阅读(200) / 评论(0) 分类 英语学习方法

模仿文本: The Mona Lisa is gazed at by an average of 6 million people a year. Now scientists think they may have found the final resting place of Leonardo da Vinci's muse for the picture, and they want to open her grave to carry out DNA tests.

发表于:2019-02-16 / 阅读(163) / 评论(0) 分类 英音模仿秀

While some 13 million Americans are out of work these days, those still with jobs might have a strange new thing to worry about--getting a promotion can be bad for you, a new study suggests。 虽然大约有1300万的美国人现在没有工作,不过

发表于:2019-02-17 / 阅读(157) / 评论(0) 分类 实用英语

When youre trying to lose weight, it can sometimes feel like youve gone years without indulging in a piece of cake or a takeaway. 你试图减肥,感觉好像你好几年都没好好吃块蛋糕、好好享受外卖了。 And youre not altogether w

发表于:2019-02-18 / 阅读(142) / 评论(0) 分类 阅读空间

1、封建社会代替奴隶社会,资本主义社会代替封建社会,社会主义经历一个长过程发展后必定代替资本主义社会。 Feudal society replaced slave society, capitalism supplantedfeudalism, and after a long time, soci

发表于:2019-02-19 / 阅读(215) / 评论(0) 分类 英语口译

These are roughly 28,835 Jelly Beans. I counted out five hundred of them, 这些大约是28,835颗雷根糖。我数出其中五百颗, and used those to weigh the rest. In this pile, there's one Jelly Bean for each day that the average American wi

发表于:2019-02-20 / 阅读(140) / 评论(0) 分类 欧美人文风情

You might think that just one cigarette 'can't hurt'. But it could in fact cost a smoker almost 14 minutes of their life, according to new calculations. A new website has worked out how much time a smoker, alcoholic or a drug addict will lose, each t

发表于:2019-02-20 / 阅读(194) / 评论(0) 分类 英语新闻
学英语单词
a trick of trade
Abou Rai
adverse opinion report
afraid of our shadow
aircraft cord
al-razzaq
amphophilic cell
Angulon lens
apple polishers
Babe Didrikson
barge lash feeder carrier
bark extract
batch recycle culture
Belgian sheep dog
block design
blodgett
call off something
certificate of exchange settlement for import
childships
Claviton
close stand
CMC (carboxyl methyl cellulose)
co-infections
coal series
cornified
cross-sell
cunt punts
D.M.P.
deontological ethics
diethylaminoethanol
Dorr thickener
dystrophia dermo-chondro-cornealis familiaris
eurotium chevalieri
Fenaminofuril
flat-back stope
get one's chin up and one's chest out
global regular expression print
gold rush
good products
Grewia chuniana
half-closeds
handshake control
Haphsiba
healthdyne
herbs roberts
Horinouchi
hyped up
ion exchange exhaustion circuit
iron screw with round head
management of staff and workers
mandibular divarigator
matronages
meinicke test
micro-vessel clamps
microfilter
moelinvar alloy
mootit
nectarivores
new-type management groups
nonachlazine
none so dusty
paltock
persistent infection
production period
proprite
queerk
ralli
rania
rathe
recognition network
refudiating
renal cyst
ricturlaria coloradensis
rip someone off
runcible
ruthlessnesses
saline tolerance
scented mahogany
shillalas
sin one's mercies
source position
spectromagic
splanchnic mechanism
splittism
sporophyll
straszheim
sweet-sour sauce
synchronous tie
test requirements document
to score a goal
top-of-stack register
toxic properties
triangulating
undertighten
unexoticized
upstand diaphragm beam
vt.)
weigh ... down
whickham
without success
yeroen