染色体消减

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(180) / 评论(0) 分类 六分钟英语

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(十二)月

Idiom: Like a moth to a flame ( doing something attractive and dangerous ) Hit the book: Potion Disability Inspire Down syndrome Chromosome

发表于:2018-12-27 / 阅读(140) / 评论(0) 分类 趣味青春英语

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(160) / 评论(0) 分类 一起听英语

93 探究长寿基因 SCIENCE REPORT - September 12, 2001: Search for Long Life GeneBy Nancy Steinbach (Start at 1'01

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 科技之光

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(177) / 评论(0) 分类 六分钟英语

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(324) / 评论(0) 分类 2005年NPR美国国家公共电台

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(102) / 评论(0) 分类 2010年VOA慢速英语(八)月

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(147) / 评论(0) 分类 阅读空间

As 2014 comes to a close, it's time to reflect on the most futuristic breakthroughs and developments of the past year. Here are 15 predictions that came true in 2014. 2014年已经过去,现在来总结过去一年中最具前瞻性和影响力的重

发表于:2019-02-01 / 阅读(170) / 评论(0) 分类 阅读空间

基因工程常用词汇 A 腺苷脱氨酶缺乏症 adenosine deaminase deficiency (ADA) 腺病毒 adenovirus Alagille综合征 Alagille syndrome 等位基因 allele 氨基酸 amino acids 动物模型 animal model 抗体 antibody 凋亡 apoptosis 路-巴综合征 ataxia-telangiectasia 常染

发表于:2019-02-01 / 阅读(95) / 评论(0) 分类 英文语法词汇

By Barry Wood Belgrade 19 January 2007 Serbians go the polls for parliamentary elections Sunday. Voters will be choosing candidates from 20 political parties and coalitions who are vying for 250 seats in parliament. VOA's Barry Wood in Belgrade repor

发表于:2019-02-03 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(一月)

英语构词法(15)-单词构词法

发表于:2019-02-04 / 阅读(85) / 评论(0) 分类 英文语法词汇

U.S. unemployment continues to rise, with a larger-than-expected number of job cuts in June. The unemployment rate now stands at 9.5 percent, the highest in 26 years. Unemployed worker (L) talks with Employment Guide staffer at job fair in San Jose,

发表于:2019-02-12 / 阅读(118) / 评论(0) 分类 VOA标准英语2009年(七月)

Well, the bystander approach is trying to give people tools 好的,旁观者的方法是尝试给于人们一个工具 to interrupt that process and to speak up 来打岔这个过程和发言, and to create a peer culture climate 是创造出一个

发表于:2019-02-13 / 阅读(123) / 评论(0) 分类 TED演讲教育篇

During their evolutions, on such occasions, the dense mass which they form exhibits a beautiful appearance, 在变幻多端的队形中,麇集鸽群的靓丽色彩令人击节赞叹。 as it changes its direction, now displaying a glistening sheet

发表于:2019-02-13 / 阅读(87) / 评论(0) 分类 美国语文第五册

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(86) / 评论(0) 分类 经济学人科技系列

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比,草饲牛肉中某种有益健康的营养素含量更高,并让脂肪呈现黄色,这种

发表于:2019-02-18 / 阅读(154) / 评论(0) 分类 阅读空间

The police and austerity 警察与紧缩 Down beat 下降趋势 Budget cuts may not affect crimebut they will change politics 削减预算可能不会影响犯罪但能改变政治 Good old-fashioned policing 传统治安维持方式 POLICING in Engl

发表于:2019-02-24 / 阅读(129) / 评论(0) 分类 经济学人文艺系列

We may be going through a reversal now. 我们现在也许正经历一次逆转。 The Earth's magnetic field has diminished by perhaps as much as 6 percent in the last century alone. 仅仅在过去的一个世纪里,地球的磁场就减弱了大约

发表于:2019-02-25 / 阅读(187) / 评论(0) 分类 万物简史
学英语单词
aascu
Airfix
albumin-calciummagnesium
allenylidene
amber-tree
aof
archaeobalanid
ashram
atterberry
back engagement of cutting edge
beachamp
boat shells
border growth
bricker
brush shift (displacement)
buffer engaging process
calicivirus
centrewards
chatgroups
chinoline
citrate gel method
clinophaeite
clockwork motor
closed submanifold
coercive correspondence
collimating mirror
column radiator
cross entry clerk
delphine
dendranatomy
dispiritment
Draba ellipsoidea
economic integration model
eehs
euproctis unifascia
feeling the heat
fgar
file control block pointer
flagllum
general track circuit plan
glascott
gryllidaes
heavy isotope losses
hellbrunn
heroicize
i-knawe
immobile block
instrument voltage transformer
internal humeral epicondylitis
iridescence
keep doing sth
Kinmungyon
lazary
ligament of auricle of external ear
major gene resistance
mammutids
mankell
massachusettes
mental region
minor clearance
mountain ration
multibarreled
multiprocess scheduling
Nervi caroticotympanicus superior
nullification process
Ober-Flörsheim
Oscar Fingal O'Flahertie Wills Wilde
pandiani
phosphate bond
plural
pontoon-type wharf
porcelaneous
positive adjective
power of the assembling unit
punch card format
push-endoscope
pyrogene
Rashidiyah
rattle over
record object
red rust disease
Right of Claim for Salvage for Preservation of Human Life
rube stopper
separation flow
subsyndromes
supratemporolateral
take a shortcut
townsendia grandiiflora nuff
trail-behind picker
unconditional estimator
undauntedness
unpained
unremarkably
volcanic burner
wattle gum
webfingered
weld reinforcement
western hemisphere
win someone's consent
Yingchuang
Zambézia, Prov.
zero-one law