(基因频率)平衡族群

THE MAKING OF A NATION - July 18, 2002: Election of 1948 By David Jarmul VOICE 1: THE MAKING OF A NATION -- a program in Special English by the Voice of America. (Theme) Presidential elections are exc

发表于:2018-11-27 / 阅读(413) / 评论(0) 分类 The Making of a Nation

crowsong Therewerethreecrowssatonatree, Obillymageemagaw! Therewerethreecrowssatonatree, Andtheywereblack Ascrowscouldbe, Andtheyallflappedtheirwings Andcried, caw,caw,caw! Billymageemagaw!... Saidoneoldcrowuntohismate, Obillymageemagaw!... whatshall

发表于:2018-11-29 / 阅读(145) / 评论(0) 分类 Wee Sing In The Car

As It Is - Nature:butterfly and how roosters know when to crow Hi there. Im Kelly Jean Kelly. Today on As It Is, we are talking about nature. Specifically, about how roosters know when to crow, and one of the largest eggs the world has ever seen. But

发表于:2018-12-16 / 阅读(59) / 评论(0) 分类 2013年VOA慢速英语(四)月

SHIRLEY GRIFFITH: I'm Shirley Griffith. DOUG JOHNSON: And I'm Doug Johnson with the Special English program, PEOPLE IN AMERICA. Every week we tell about a person important in the history of the United States. Today, we tell about Babe Ruth, America's

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 2011年VOA慢速英语(三)月

Broadcast: Jan 24, 2003 By Jill Moss, Nancy Steinbach and Paul Thompson Welcome to AMERICAN MOSAIC--VOA's radio magazine in Special English. This is Doug Johnson. On our program today, We play some mu

发表于:2018-12-18 / 阅读(96) / 评论(0) 分类 VOA2003(上)-美国故事

The Crow and the Pitcher A CROW perishing with thirst saw a pitcher, and hoping to find water, flew to it with delight. When he reached it, he discovered to his grief that it contained so little water

发表于:2018-12-31 / 阅读(91) / 评论(0) 分类 有声阅读空间

Now, the VOA Learning English program Words and Their Stories. On this show, we explore the origins and usage of expressions we use in every day American English. Okay, nobody likes to be wrong. But when it turns out that we are, in fact, wrong, the

发表于:2019-01-02 / 阅读(71) / 评论(0) 分类 2017年VOA慢速英语(八)月

Eating a crow,难道有人喜欢吃乌鸦肉?据说乌鸦肉是很难吃的,因为乌鸦是饮食不清爽的食肉动物,可是照这个逻辑,素食主义者的肉应该很鲜美了? 其实

发表于:2019-01-07 / 阅读(90) / 评论(0) 分类 英文语法词汇

The winter had been especially cold. The snow lay thick and heavy on the ground. The squirrels, the badgers and the hedgehogs had vanished into their snug winter homes to sleep away the cold, dark months. The swifts and the swallows had left for warm

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 英语小短文

Vince Gill于1957年4月12日出生于美国奥克拉荷马州的诺曼(Norman),原名Vince Grant Gill。Gill从10岁开始学习吉他,中学时代加入当地一支叫山雾(Mountain Smoke)的乡村摇滚乐队,后来加入乐队Pure

发表于:2019-01-10 / 阅读(98) / 评论(0) 分类 天籁音乐

沉湎过去,就无法与今天同行,明天因而也成了一个遥遥的无期。 沉湎过去,就无法让我们的每天过得精彩,痛苦因而成了一个咒语无法摆脱。 What is Your Recovery Rate? What is your recovery rate? How lon

发表于:2019-01-30 / 阅读(148) / 评论(0) 分类 精美英文欣赏

A big,black crow wanted to drink some water.She saw a big jug with some water at the bottom,but she could not reach the water.I know,she said,I shall put some stones into the jug.Then the water will come up to the mouth. After the fir

发表于:2019-02-04 / 阅读(89) / 评论(0) 分类 趣味英语

As Aesop's lion was going to the forest in company with an ass,who was to assist him with his terrible voice,an impertinent crow called to him from a tree:A pretty companion!Are you not ashamed of yourself to be walking with an ass?Whomsoev

发表于:2019-02-04 / 阅读(83) / 评论(0) 分类 趣味英语

A crane and a crow made a league on oath,providing that the crane should protect the crow against other birds,and that the crow should foretell the future,so that the crane could be on her guard.After this,they flew as usual into the fields

发表于:2019-02-04 / 阅读(102) / 评论(0) 分类 趣味英语

听歌学英语:Behind Blue Eyes(SherylCrow) SherylCrow 是当今主流流行摇滚乐坛最受欢迎的女歌手之一, 迄今为止,她一共获得过九次格莱美奖。今天我们要学习的是由SherylCrow翻唱的Behind Blue Eyes,这首歌

发表于:2019-02-06 / 阅读(72) / 评论(0) 分类 听歌学英语

【歌曲欣赏】 Sheryl Crow是上个世纪90年代以来最受欢迎的摇滚乐女歌手之一 [00:02.35]知行英语 [00:05.78]Listen and Share [00:07.10]歌曲背景 [00:08.74]Sheryl Crow [00:35.66]C'mon C'mon [00:37.43]Steve McQueen [00:41.51]播

发表于:2019-02-08 / 阅读(81) / 评论(0) 分类 听歌学英语

Good is good Sheryl Crow Sheryl Crow是上个世纪90年代以来最受欢迎的摇滚乐女歌手之一,她与众不同的音乐风格不仅基于美国传统摇滚乐,而且还在此基础上大胆融合其他风格,形成了自己特有的一种

发表于:2019-02-08 / 阅读(83) / 评论(0) 分类 听歌学英语

Good is Good Sheryl Crow Sheryl Crow是上个世纪90年代以来最受欢迎的摇滚乐女歌手之一,她与众不同的音乐风格不仅基于美国传统摇滚乐,而且还在此基础上大胆融合其他风格,形成了自 己特有的一

发表于:2019-02-11 / 阅读(63) / 评论(0) 分类 天籁音乐

Kid RockSheryl Crow-Picture (Kid Rock) Livin' my life in a slow hell Different girl every night at the hotel I ain't seen the sun shine in 3 damn days Been fuelin' up on cocaine and whisky Wish I had a good girl to miss me Lord I wonder if I'll ever

发表于:2019-02-18 / 阅读(75) / 评论(0) 分类 好听的英文歌曲

The Fox and the CrowA Fox once saw a Crow fly off with a piece of cheese in itsbeak and settle on a branch of a tree. That's for me, as I am aFox, said Master Reynard, and he walked up to the foot of thetree. Good-day, Mistress Crow, he cried. How we

发表于:2019-02-18 / 阅读(94) / 评论(0) 分类 英语美文
学英语单词
achillotenotomy
acidic bath
air extraction
Bacillus ochraceus
Bao Bilia
battery failure alarm
BMAH
boiler grate
boundary layer theory
Bāmarnī
charged-current interaction
chorde
color management
complex modulus apparatus
corkie
counterflow combustor
critical wind speed of flutter
cross-bite relation
deal a blow
dermatological surgery
diphthongally
downwash induced velocity
drivelines
dummy level technique
epistemological problem
erysiphe tabaci
essential uterine hemorrhage
filtering accuracy
flaring inlet
football kit
Fostex
gallery shot
Ghassoulite
hanging lie
He-Ne laser accupuncture therapy
heat sensitizer
history of systematics
horizontal trace
horse's tail
houkel
Ikuchi-shima
in character
induction height survey
inner reserve
integrating filter
ion neutralizing spectrum
ion polymerization
kolkoz
lanthanides
local law theory
locating buoy
low swell
lundholm
magnitude of current
major raw materials
membrane material
moderate injury level
NAMEDCEN
nandrolone phenylpropionate
Nervilia cumberlegei
nervous temperament
Nijinskian
norms of reciprocity
notehead
Otero de Bodas
overskate
penaud
per unit cost
permanent job
platydema coeruleum
polycerid
polyphase inverter
potential spike
reactivity series
reactivity-insertion accident
referentials
restigmatize
Risorgimenti
salinity gradient
scaled-back
Schistomatium
searedness
secondary-air
sister-ship
Skellefteälven
smooth sumac
solid state thyratron
son
tailless tenrec
terrestrial photovoltaic system
test of habitual characteristics
that's about all
Thermopathogeny
tibs
trades up
tropenzile
Tumiritinga
ultimatist
viatores
wainy
wound dehiscence of abdomen
zakouski