复合染色体

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(209) / 评论(0) 分类 六分钟英语

Grammar Girl here. Todays topic is the complex-compound sentence. Guest writer Sal Glynn writes: Most writers worth their fingertip calluses begin as avid readers. We read books, magazines, and websites indiscriminately until we start to notice the w

发表于:2018-12-07 / 阅读(191) / 评论(0) 分类 英语语法 Grammar Girl

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(130) / 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(165) / 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(181) / 评论(0) 分类 一起听英语

Intonation can indicate completely different meanings for otherwise similar words or phrases. For example, an English teacher teaches English, but an English teacher is from England; French class is where you study French, but French class is Gallic

发表于:2018-12-27 / 阅读(131) / 评论(0) 分类 美式英语正音训练

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(135) / 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(205) / 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(366) / 评论(0) 分类 2005年NPR美国国家公共电台

AGRICULTURE REPORT - Scientists Find Compound in Smoke that Helps Seeds Grow By Mario Ritter Broadcast: Tuesday, July 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. A di

发表于:2019-01-11 / 阅读(175) / 评论(0) 分类 农业与发展

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(123) / 评论(0) 分类 2010年VOA慢速英语(八)月

The United Nation's World Food Program says rogue members of Somalia's extremist al-Shabab group attempted to raid its compound late Sunday in the Somali town of Wajid, about 300 kilometers northwest of Mogadishu. World Food Program spokesman, Peter

发表于:2019-01-14 / 阅读(211) / 评论(0) 分类 VOA标准英语2009年(八月)

What do these five words have in common: hotdog, fireworks, well-being, waistline, sunset and ice cream? They could all describe a fun holiday celebration. For example: My holiday was wonderful! I went to a friends party and we laughed, ate and had a

发表于:2019-01-21 / 阅读(226) / 评论(0) 分类 2018年VOA慢速英语(十二)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(176) / 评论(0) 分类 阅读空间

By Elizabeth Carlassare. Todays topic is compound interest. Albert Einstein is often quoted as having said something to the effect that compound interest is the greatest wonder of the universe. Its an urban legend, but it packs some punch! In todays

发表于:2019-01-30 / 阅读(201) / 评论(0) 分类 货币英语

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(194) / 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(112) / 评论(0) 分类 英文语法词汇

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(113) / 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(185) / 评论(0) 分类 阅读空间

ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin

发表于:2019-02-18 / 阅读(144) / 评论(0) 分类 英语新闻
学英语单词
a.p.u
abrasive-disk cutter
acknowledged connectionless-mode transmission
adjacent angles on a straight line
alfio
ambiguity factor
animal cytobiochemistry
auto emissions
bastard jute
beamingly
bean saturating pond
bicubic interpolation
Bracora
Bradford 1,William
calorific intensity
catch-22 situation
cavitation
CD writers
chemically correct mixture ratio
chilary layer
Coalgan-ouate
cold tinning
Colprone
commit a crime
complete system of orthogonal Latin square
core room
critical position
crowfoot cells
de maintenon
deafblindness
Dendrobium ellipsophyllum
deneutralize
deskmen
dissipative flow
drupelet
ductility-dip crack
effective case depth
effluvia
Endotrichella
extra bold
fast transformation
finea
finger piano
following system
frews
geobotanical region
gilding bronze
gram-molar
guadazocine
Guario
Hugh Butler L.
industrial pathology
inent
johnnycab
joint resolution
lactoria cornuta
littoral cell
melt-out
Moisakula
n-methyl group
neoperla cavaleriei
neutron-electron inter-action
nutriments
obligate heterotroph
octane number test
opticociliary neurectomy
partial audit
percentage of loss
Phenadon
Pindione
pisan
purset
quadrisections
releated functions
Republic of India
ring and ball method
rotoreflection axis
scopy
seron
shippment
signature dishes
skillful workmanship
skimpily
stereoisomerism
stingas
suberinization
surface honing machine
surfomer
survey of travel by r.o.c citizens
system head
tamiamis
tappa
Taranovskoye
thallium(iii) chromate
three over four curvilinear draft
topographic gradient hypothesis
torquoselectivities
total landings
under-diagnosed
underwriting margin
unmonkish
waterlessness