音标:[ˈnætʃərəl ˌi:vəˈlu:ʃən] ;
[医]自然进化

17.Evolution of sleep Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evidence that the two types of s

发表于:2018-11-27 / 阅读(654) / 评论(0) 分类 新概念优美背诵短文50篇

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.87]2000 Passage2 [00:07.51]Being a man has always been dangerous. [00:10.94]There are about 105 males born for every 100 females, [00:17.09]but this ratio drops to near balance at the age o

发表于:2018-12-01 / 阅读(81) / 评论(0) 分类 历年考研英语阅读理解

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-04 / 阅读(71) / 评论(0) 分类 听一分钟英文-E

VOICE ONE: I'm Steve Ember. VOICE TWO: Charles Darwin And I'm Barbara Klein with EXPLORATIONS in VOA Special English. This month is the two hundredth anniversary of the birth of one of the most influential thinkers in science history. Charles Darwin

发表于:2018-12-07 / 阅读(153) / 评论(0) 分类 VOA慢速英语2009年(二)月

Sleep is very ancient. In the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as far as the reptiles. There is some evide

发表于:2018-12-15 / 阅读(188) / 评论(0) 分类 新东方背诵文选

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(二)月

I learnt all about evolution when I was about ten years old. I remember it clearly. I thought it was amazing. My mind was full of images of strange creatures crawling out of a green, soupy lake. Fish that had somehow developed legs and the ability to

发表于:2018-12-26 / 阅读(76) / 评论(0) 分类 纯正英语一分钟

SCIENCE IN THE NEWS - Evolution and Intelligent Design By Jill Moss Broadcast: Tuesday, March 15, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Sarah Long. VOICE TWO

发表于:2019-01-04 / 阅读(89) / 评论(0) 分类 科技之光

Don Gonyea: After 17 days of skiing, skating, sliding and yes, even a little doping , the Winter Olympics end today. For NPR sports correspondent Tom Goldman, the Turin Games are the seventh Olympic he has covered. Looking back, he has this essay on

发表于:2019-01-04 / 阅读(156) / 评论(0) 分类 2006年NPR美国国家公共电台

We usually think of evolution as something that happens over eons, in remote places where people rarely venture. Not something that happens around the backyard birdfeeder in just a few decades. But a study in the journal Current Biology suggests that

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(十二)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Doug Johnson. November twenty-fourth marked the one hundred fiftieth anniversary of one of the most influential books ever written. Naturalist Charles

发表于:2019-01-11 / 阅读(192) / 评论(0) 分类 VOA慢速英语2009年(十二)月

Explorations - Great Thinkers: Charles Darwin and Evolution STEVE EMBER: Welcome to Explorations, in VOA Special English. I'm Steve Ember. This week, Barbara Klein and I tell about one of the most influential thinkers in science history. Charles Darw

发表于:2019-01-12 / 阅读(97) / 评论(0) 分类 2011年VOA慢速英语(十一)月

Shaping Human Evolution at the Smithsonian 史密森尼美国博物馆塑造人类进化过程 Welcome to American Mosaic from VOA Learning English. Im June Simms. Today on the show, we visit a museum where art and science help tell the story of huma

发表于:2019-01-12 / 阅读(86) / 评论(0) 分类 2014年VOA慢速英语(四)月

Human skulls on display at the Smithsonian Institution's Natural Museum of Natural History Scientists writing in the journal Science report that two skeletons found in a cave in South Africa belong to a previously unclassified species of hominid or e

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2010年(四)月

ROBERT SIEGEL, HOST: Biologist Jonathan Losos and I have at least one thing in common - we were both blown away by the late paleontologist Stephen Jay Gould's 1989 book Wonderful Life. Gould saw evolution as being all about odd contingencies, acciden

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 2017年NPR美国国家公共电台9月

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. And on the show today, ideas about the things we do in the present that could have troubling consequences in the future. But that doesn't mean we shouldn't look forward to the future. I me

发表于:2019-01-16 / 阅读(263) / 评论(0) 分类 2017年NPR美国国家公共电台9月

In general when we refer to a theory we mean something that's not proven yet. In science it's different, as Yael and Don discuss in this Moment of Science. Y: Today, on A Moment of Science, we clear up the difference between a scientific theory and a

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 英语时差8,16

Backyard Feeders Driving Bird Evolution A study in the journal Current Biology finds that backyard bird feeders in Britain are responsible for splitting central European blackcap warblers into two distinct populations that may be on their way to beco

发表于:2019-01-30 / 阅读(207) / 评论(0) 分类 60秒科学

Multi-media website explores human evolution Rosanne Skirble | Washington, DC 07 May 2010 'What's Hot in Human Origins' keeps you up-to-date on recent studies and research in the field. The human origins website at www.humanorgins.si.edu poses the ag

发表于:2019-02-02 / 阅读(92) / 评论(0) 分类 VOA标准英语2010年(五)月

Lord Mayor of the City of London: China's Stock Market "Hiccup" Part of Market Evolution In a press briefing with journalists on his planned visit to China next week, the Lord Mayor says it is a common episode in any emerging market to have overb

发表于:2019-02-13 / 阅读(136) / 评论(0) 分类 2015CRI中国国际广播电台
学英语单词
absolute instruction
acuity of color vision
airborne cloud collector
Apterygota
ash tres
assmann ventilated psychrometer
barbituric acids
Batamshinskiy
big ones
bilineal relatives
Brachychiton acerifolius
break all up
Breisach
brought before
business items
by gross
car class indicating lamp
carrier catalysis
change control server
cold as a wagon tire
cold brine mixing
coming-in
contract tillage
crakehall
Crotalaria elliptica
cynanche suffocative
de rigeur
defined contribution plan
disinfestant
double delay canceller
driven disk
educational politics
electrical fluid dynamics
emploring
Erjian
exclusive concession arrangement
extrinsic speciation
gamings
gas condensate field
gas stoves
gate-leg
glossoplegia
glutamic
gz
Hapamine
Ichenheim
igue
impressiones gastrica
incremental program(incremental dimension words)
inland-water transport
issue development
John Profumo
kallos
karrington
key-hole
kymoscopes
leading pad
lexical association
Littorinacea
logical matrix
mcphee
microtopographies
Mindiab
multiple numerical integration
Nifadon
nonconcordant
NSC-79037
paper based
pellic vertisols
pigginess
pilot and telephone block system
purveyer
rapidly growing function
RDT&E (research,development,test and evaluation)
regional specialization
relic community
revolved
sampled-data measurement
sarcomaofkidney
self-propelled unit
Selonsrivier
silicon photodetector
skater boy
success theater
surface recorder
São Miguel do Pinheiro
telegraph switching board
temperature chalk
theory on macroregulation and control
timber crane
transmission-line efficiency
underarm balance
ungoaded
verement
vipsanius
virgin work
volt-ohm-milliammeter
vv. dorsales penis subcutane?
walk the dog
washing machine for fur
wasp-venom antitoxin
zooagglutinin