环形染色体

Ian Mackellen (Gandalf): I’m sure the audience watching will be full of fear and anticipation. It’s the 1) ultimate adventure story. The Lord of the Rings takes place in a world called Middle Eart

发表于:2018-11-28 / 阅读(251) / 评论(0) 分类 疯狂英语2002年

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(204) / 评论(0) 分类 六分钟英语

发表于:2018-12-13 / 阅读(191) / 评论(0) 分类 Wee Sing For Christmas

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(126) / 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(160) / 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(179) / 评论(0) 分类 一起听英语

今天文章讲的是男性基因染色体的问题,如果男性染色体正发生着变化,会造成地球上男女比例失衡吗? Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. R

发表于:2018-12-27 / 阅读(104) / 评论(0) 分类 一起听英语

今天我们要学的词组是ring。 Ring是戒指,耳环,也指从事非法活动的集团、团伙。比如贩毒集团 -- drug ring,出售儿童色情录像的团伙 -- child pornography ring。 有报道说, 奥地利政府侦破了一个在

发表于:2018-12-30 / 阅读(134) / 评论(0) 分类 英语每日一词

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(132) / 评论(0) 分类 科技之光

Ring A Ring Of Roses a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* ring a ring of roses a pocket full of posies (hot-sha hat-sha all fall down)* the king has sent his daughter to fetch a pail of water (hot-sha hat-sha all f

发表于:2019-01-03 / 阅读(206) / 评论(0) 分类 优美儿童英语歌曲

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(203) / 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(364) / 评论(0) 分类 2005年NPR美国国家公共电台

发表于:2019-01-10 / 阅读(244) / 评论(0) 分类 Wee Sing Around the World

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(121) / 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(170) / 评论(0) 分类 阅读空间

歌词如下: Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here. Ring,ring,ring the bells, Ring them loud and clear. To tell the children everywhere, That Christmastime is here.

发表于:2019-01-28 / 阅读(149) / 评论(0) 分类 英语儿歌274首

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(193) / 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(111) / 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(111) / 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(179) / 评论(0) 分类 阅读空间
学英语单词
.ee
a chick magnet
A. S. I.
accuracy of wavelength setting
acetoacetyl conenzyme a
aglomerate
alarm sound
algebraic adder
allithiamin
antifraud
asterina microspora
batchwise exhaustion method
beemen
Bouchemaine
brace abox
chemical anticorrosion
circulant design
constituent assembly
corvin
cruising engine unit
cycvalon
down tube
duumviral
easy as could be
electric bulb
ennean
failed engine
farm crop
faulty internal dialogue
fight a fire
friction driving device
fruit white rot of grape
full-metal
genus Sciara
golgi component
ground system
high amplitude massor
homaline
Hyperides
hypersonic wake
impulse firing
inwreathes
jack o' lantern
Jasrāsar
joschka
just dance
Kozyn
land legislation
lemon-scenteds
level tracing receiver
man of action
market uncertain
meschance
meter system line
Mlicrococcus mastitidis
multiple copper refining system
myxamebas
nonpenetrated
nuclear localization signal
number operation
odynolysis
on the coat
optimal balance
ordinary cone
osteal leprosy
Paphiopedilum esquirolei
peach wood
perspectagraph
Phyllagathis hispidissima
picture-to-sound ratio
polyachene
primary fire control
princes consort
rackle
reference flux
Reggio di Calabria, Prov.di
retirement table
rivier
roller core bit
rotten-hearted
royal worcester
saring
screw capping
secondary scavenging pump
selfpollination
sheet pile cutoff
single-wedge compensator
sitting rooms
somnifacient
Spirochaeta mucosa
stag movie
sthenoes
stimulated light emission
suspension of disbelief
translucent glaze
transuranium waste
unrobust
Utricularia forrestii
vertebrobasilar
vizzavona
winter fog