异源染色体;异型染色体, 非同源染色体

This list is just for illustration; it is incomplete. 这个列表仅仅是一个例子,它是不完整的。 The list on the right is also incomplete. 右边的列表也一样不完整。 It's a list of types of pathology that are age-related, 它们

发表于:2018-12-05 / 阅读(62) / 评论(0) 分类 TED演讲科学篇

[00:03.04]Could just be a lab error. 也有可能仅仅是实验事故 [00:08.60]SARA: Oncology? 肿瘤科? [00:09.48]But that's cancer. 那是癌症啊 [00:16.24]WOMAN: Mr. and Mrs. Fitzgerald? 是Fitzgerald夫妇吗? [00:18.96]l'm Ileana Farquad.

发表于:2018-12-07 / 阅读(128) / 评论(0) 分类 听电影学英语-姐姐的守护者

By Imran Siddiqi Washington 01 May 2008 Talking about fashion instantly evokes in many people images of models strutting down the catwalk. But the South Asian Student Association at Carnegie Mellon University in Pittsburgh, Pennsylvania recently took

发表于:2018-12-16 / 阅读(70) / 评论(0) 分类 VOA标准英语2008年(五月)

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Every expecting mother gets asked the question: boy or girl? For mammals like us, its an easy call. Two X chromosomes you get pink booties. X and a Y you g

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(一)月

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(46) / 评论(0) 分类 一起听英语

World Down Syndrome Day is on March the 21st every year. It is on this day because the number 21 is important in the identification of Down Syndrome. The condition is created by a 21st, extra chromosome being replicated three times, thus causing the

发表于:2018-12-29 / 阅读(132) / 评论(0) 分类 英语课程学习计划和讲义

For thousands of years, humans have used yeast for making bread and alcoholic drinks, such as beer. But scientists are now constructing synthetic yeast that can do more than make a sandwich or a drink. The synthetic yeast can be used for medicines, v

发表于:2019-01-02 / 阅读(79) / 评论(0) 分类 2017年VOA慢速英语(八)月

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(138) / 评论(0) 分类 六分钟英语

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-second Science. I'm Karen Hopkin, this will just take a minute. When it comes to lizards' sex, size dose matter. But not in the way you might think. Because in the June 4th online issue of Journal Current Biology, sci

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(六)月

Every villain has his Achilles' heel. And microscopic scoundrels are no exception. The challenge for those who wish to ward off microbial bad guys is to identify that weak spot. Now, scientists studying the toxoplasmosis parasite think they've done j

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(三)月

PEOPLE IN AMERICA - Barbara McClintock, 1902-1992: She Made Discoveries about Genes and Chromosomes CHRISTOPHER CRUISE: This is PEOPLE IN AMERICA in VOA Special English. Today, Jim Tedder and Shirley Griffith tell about Barbara McClintock. She was on

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2012年VOA慢速英语(六)月

Science and Technology Stress and ageing A question of attitude 科技 压力和老化 一个态度问题 The link between chronic stress and a marker of old age is being disentangled 科学家发现了长期压力与一个衰老标志间的联系 TE

发表于:2019-01-26 / 阅读(78) / 评论(0) 分类 经济学人科技系列

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(57) / 评论(0) 分类 英语新闻

Like its name suggests, the ice cream banana is sweet with undeniable hints of vanilla and its skin even appears frosted, starting out as a bluish-green color before it ripens. 看名字就知道,雪糕香蕉应该是很甜的,绝对会散发淡淡

发表于:2019-02-06 / 阅读(120) / 评论(0) 分类 阅读空间

If your teenage son or daughter is blighted by acne, they can take heart. 如果你那处在青春期的儿子女儿正饱受粉刺痤疮的摧残,那么是时候振作起来了。 For while they may feel greasy and unattractive at the moment, by m

发表于:2019-02-18 / 阅读(74) / 评论(0) 分类 趣味英语

雅思阅读动植物类真题:Tasmanian tiger Extinction Is Forever?(塔斯马尼亚虎) Tasmanian tiger Extinction Is Forever?Danger, says the sign on the doorof a laboratory at the Australian Museum in Sydney: Tasmanian Tiger,Trespassers will be

发表于:2019-02-25 / 阅读(210) / 评论(0) 分类 雅思英语

饶舌:Tech N9NE - Leave Me Alone 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的最新

发表于:2019-03-02 / 阅读(194) / 评论(0) 分类 节奏布鲁斯
学英语单词
1-hexyne
air-filled porosity
allowable-bearing-unit stress
analog integrator
armanoush
associated pair
average life expectancy
balaenoptera acutorostratas
be open to traffic
bluebonnets
body bag
booleanized
boom topping angle
captain's table
card puch reproduce check unit
carlsbergite
caufield
cloud map
congo peafowls
Conocephalus conica
control footing group
crack gauge
cross beam on stringer
cum calce soda
Dantzig-Wolfe algorithm
disk plough body
drill hole
duplex iron
ear-grass
earthing rod
emporio
encrpytion tachniques
estremadura
Eun.
exhaustion expenditure
explosion detector
family Pythonidae
feathergrass
Geranium maculatum
given up the ghost
grandkid
Hampden Sydney
Hampden, Walter
heterostyly
hog industry
houses of worship
immoralism
income gained within or outside China
input circuit
input-output control unit
kimchi jigae
lanuginosum
laser-beam deflection
lattice like structure
Livistona boninensis
lotterish
make something
manaconda
Mascheroni's constant
metahistory
microconglomerate
mokere
new share off
nonascitic
nonsupervisory workers
on the fizzer
order relation
Ostrów Wielkopolski
Padmaja
pakhawaj
pandemonium
para-autochthonous
partial structural perturbation
Petit porcelain
polyglutamation
polystichum alcicorne (bak.)diels
pratt's theory of isostasy
Pretoria North
prolific of
pronounist
puerperal mania
put to death
rangeomorph
reverse osmosis membrane
rusked
scheelite ore
sq
Stefan law
sulfur tetrafluoride
superhero
systorectostomy
take someone at their word
the dice
tooth migration
torus fracture
twist boundaries
unorgasmic
vangeliss
variety resources
varying height nozzle
wanruly
where one lives