Y染色体(雄者性染色体异型的;雄者所特有的性染色体)

A Century of Memories (1900-1909) On the eve of the new century, the sense of 1) boundless possibilities also 2) ignited an explosion of technological 3) innovations that would have 4) profound impact

发表于:2018-11-28 / 阅读(182) / 评论(0) 分类 疯狂英语2003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(203) / 评论(0) 分类 六分钟英语

We present the third of four parts of the short story William Wilson, by Edgar Allan Poe. The story was originally adapted and recorded by the U.S. Department of State. You will remember that in the last part of my story I told of my experiences in m

发表于:2018-12-07 / 阅读(335) / 评论(0) 分类 2017年VOA慢速英语(三)月

PEOPLE IN AMERICA - Burl Ives, 1909-1995; The Famous American Actor and Singer Recorded Hundreds of Songs STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with the VOA Special English Program, PEOPLE IN AMERICA. Today we tell ab

发表于:2018-12-16 / 阅读(330) / 评论(0) 分类 2011年VOA慢速英语(十二)月

You will remember that in the last part of my story I told of my experiences in my first school; I spoke of my early meetings with a boy who looked and behaved as I did whose name was even the same as mine: William Wilson. I told of the night when I

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 2018年VOA慢速英语(十)月

As I ended the last part of my story, I was speaking of that terrible evening when I played cards with a young gentleman called Glendinning. We were in the room of one of my friends at Oxford University. I had just realized that the young man, weak o

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 2018年VOA慢速英语(十)月

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(124) / 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(159) / 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(175) / 评论(0) 分类 一起听英语

ECONOMICS REPORT - Peter Drucker, 1909-2005: A Thinker for Business Leaders By Mario Ritter Broadcast: Friday, November 25, 2005 I'm Steve Ember with the VOA Special English Economics Report. Peter Dr

发表于:2019-01-02 / 阅读(124) / 评论(0) 分类 健康与经济

We present the second of four parts of the short story William Wilson, by Edgar Allan Poe. The story was originally adapted and recorded by the U.S. Department of State. In the first part of my story I spoke about my life at my first school, and abou

发表于:2019-01-02 / 阅读(318) / 评论(0) 分类 2017年VOA慢速英语(三)月

In the first part of my story I spoke about my life at my first school, and about the other boys over whom I gained firm control. But there was one boy who would not follow my commands, who would not do what I told him to, as the other boys did. His

发表于:2019-01-03 / 阅读(137) / 评论(0) 分类 2018年VOA慢速英语(十)月

Sometimes we fight 'Bout who's wrong and right And stay up all night And sometimes we drink And say hurtful things That we don't mean [Pre Chorus] Yeah, we're both screamin' But nobody's listenin' Let's take this madness Out of the kitchen [Chorus]

发表于:2019-01-06 / 阅读(139) / 评论(0) 分类 美国乡村音乐

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

Sometimes I cry for no good reason sometimes I fight when I ain't mad Sometimes it hurts and I ain't bleeding Sometimes I laugh when things go bad [Chorus:] But I'll always be the girl I am When life comes falling down on me I do the best I can I ne

发表于:2019-01-10 / 阅读(114) / 评论(0) 分类 美国乡村音乐

VOICE ONE: I'm Shirley Griffith. VOICE TWO: And I'm Rich Kleinfeldt with the Special English program, People in America. Today, we tell the story of Jessica Tandy who died in nineteen ninety-four. She won many awards for her acting during the almost

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 VOA慢速英语2008年(九)月

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

蜜蜂正很离奇的迅速自郊区消失,并深深影响农业发展。然而,蜜蜂与都市环境却生活得很好,而城市也需要他们的帮忙。 Noah Wilson-Rich 在此说服观众都市养蜂对于城市的可持续发展,以及拯

发表于:2019-02-05 / 阅读(107) / 评论(0) 分类 TED公开课:环境 重造计划

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(176) / 评论(0) 分类 阅读空间
学英语单词
aDNAs
Albay
alternating-current system
anatomiless
apneustic breath
astrogeny
attention deficit disorder
Berezonavolok
binfloxacin
bioeconomic life table
biological father
Call A Mart
cam case
carnitine-acyltransferase
Christ-tide
classified advertisment
coal tar epoxy
color-separation drawing
concordancing program
correlatives and conversions
cushion idlers
Daniec
data channel line printer
data pool
developed color
dissimulator
dysmorphias
East Coast Ra.
Emberiza schoeniclus
end and aim
explosive logic
external caused contact chatter
farbers
frase
gigantolithic
got it goin' on
h-o
Helvecia
heteroploid
hire-purchase
hyperproducing
irascibly
Irianto
krautwurst
lycopodium serratum thunb. var. myriophyllifolium hay
mass meeting square
matabeles
maugre
Meeting of Claimants
micrencephalous
mosquitofugal oil
mounting tonnage
nondonating
Norris La Guardian Act
nuclear-free
originating toll center
overchargings
Pars intrasegmentalis
pastings
pay for a dead horse
plicae umbilicalis media
postriders
procladius transiens
program independent modularity
propylpyrazoletriol
pseudo-existence
PtSi infrared focal plane array
rail-end welding
Rapala arata
raster irregularity
raupine
regular line speed
removing dross
riegler
Sambughetti, Mte.
sample block
sanitary principle
sears
selective information processing
sententiolist
ship main antenna
smallmouth black basses
solid-state injection laser
stroboscopicobservation
stub one's toes on something
supra-optimal
syndrome of qi deficiency of spleen and lung
syrphus vitripennis
teijins
terrace die
thin-shelled egg
tm (tone modulation)
trading booth
tritonis
trumpet metal
unfere
vibration isolating material
water lilies
Weber-number
yacht club
yangtses