同极高压直流输电系统

In June, the Oxford English Dictionary, or OED added about 1,000 words and new definitions to its website. The changes are to help users understand a mix of terms, some dating back many centuries. The additions include words such as brencheese deaths

发表于:2018-12-08 / 阅读(72) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Jan 17, 2003 At the unveiling of the First Europeans exhibit, Ellen Futter, president of the American Museum of Natural History, offered reporters, 1) anthropologists and other scientists a

发表于:2018-12-08 / 阅读(112) / 评论(0) 分类 VOA2003(上)-科技先知

Study: Neanderthals Were Artists Some of the worlds oldest cave art is too old to have been made by modern humans, researchers say. Studies suggest that Neanderthals were responsible for creating cave drawings found in modern-day Spain. They also app

发表于:2018-12-18 / 阅读(121) / 评论(0) 分类 2018年VOA慢速英语(二)月

A new study has found that the Arctic's iconic polar bears are finding it harder to hunt for food due to melting sea ice caused by climate change, putting the species at a growing risk of extinction. Researchers from the United States Geological Surv

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 2018CRI中国国际广播电台

(WA-LC) Well, if there are no more questions I would like to continue our discussion of human evolution by looking at Homo erectus, the earliest of our ancestors who stood upright. Homo erectus lived about one and a half million years ago and was gi

发表于:2018-12-30 / 阅读(51) / 评论(0) 分类 托福听力短文

Seventy-nine degrees north latitude is near the top, at the cold edge of the world. In the winter, when temperatures plunge below freezing, there is complete darkness at noon. During summer, the sun shines at midnight, there is no place to hide. Dang

发表于:2018-12-30 / 阅读(203) / 评论(0) 分类 国家地理2007年

00:00:02 OPRAH WINFREY: Hattie Mae, this child is gifted, and I heard that enough that I started to believe it. 00:00:08 ROGER BANNISTER: If you have the opportunity, not a perfect opportunity, and you don't take it, you may never have another chance

发表于:2019-01-03 / 阅读(215) / 评论(0) 分类 2017年VOA慢速英语(十一)月

I Icariin 淫羊藿甙 Imperatorin 殴前胡素 Indigo 靛蓝 Indirubin 靛玉红 Inokosterone 牛膝甾酮 Insularine 岛藤碱 Insulin 胰岛素 Inulicin 旋覆花内酯 Iosmatrine 异苦参碱 Isoa

发表于:2019-01-03 / 阅读(76) / 评论(0) 分类 医务英语

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember. This week, we will tell how a discovery in Kenya has started a scientific debate about early human ancestors. We also will tell how peo

发表于:2019-01-11 / 阅读(107) / 评论(0) 分类 VOA慢速英语2007年(九)月

New Species Might be Human Ancestor Fossils found in a South African cave might belong to a new species of early humans that holds a unique place on the evolutionary road to modern man. On a 2008 mapping expedition in Malapa, South Africa, American p

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2011年(九月)

BBC Learning English Weekender Polar Explorer Amber: Hello, I'm Amber, and youre listening to bbclearningenglish.com. In Weekender today, we listen to an interview with explorer, Rosie Stancer. In March, Rosie sets off on her latest expedition walki

发表于:2019-01-16 / 阅读(114) / 评论(0) 分类 Weekender

Science and Technology 科技 Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanity's family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 THE opening scene of Mel B

发表于:2019-01-26 / 阅读(83) / 评论(0) 分类 经济学人科技系列

A teacher asked one of her pupils, What'sthe nation's capital?The reply was, Washington DCOn being asked what the DC stood for,the pupil added, Dot com!

发表于:2019-02-09 / 阅读(104) / 评论(0) 分类 趣味英语

Hobbit Ancestor Bones Found 霍比特人祖先的骨头 Small human-like creatures lived in Indonesia 50,000 years ago, and a recent study found evidence of their much older ancestors. Scientists working in Indonesia say they found several teeth and

发表于:2019-02-12 / 阅读(346) / 评论(0) 分类 2016年VOA慢速英语(七)月

Science and technology 科学技术 Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanity's family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brooks's film History of the Wo

发表于:2019-02-16 / 阅读(105) / 评论(0) 分类 经济学人科技系列

1.establishment n.确立;建立;家业 Because of the establishment of the patriarchy, androgyny gradually retreated from the mainstream society. 但由于父权制度的确立,双性同体思想逐渐从主流文化中隐退。 2.aspire v.热望

发表于:2019-02-16 / 阅读(112) / 评论(0) 分类 经济学人科技系列

Human evolution 人类进化史 You look familiar 似曾相识 Another piece of humanitys family tree is fitted into place 南方古猿sediba的发现填补了人类家族谱系的关键空白 Sep 10th 2011 | from the print edition THE opening scene

发表于:2019-02-17 / 阅读(133) / 评论(0) 分类 经济学人综合

Human evolution 人类的进化 You look familiar 你,似曾相识 Another piece of humanitys family tree is fitted into place 确定另一支人类谱系 THE opening scene of Mel Brookss film History of the World: Part One dispenses with human ori

发表于:2019-02-17 / 阅读(113) / 评论(0) 分类 经济学人综合

BEIJING, June 21 (Xinhua) -- China will launch a new icebreaker for use during an upcoming 2013 polar expedition, a senior oceanic official said on Tuesday. Both the new icebreaker and Xuelong (Snow Dragon), an icebreaker that operated in Antarctica,

发表于:2019-02-18 / 阅读(81) / 评论(0) 分类 英语新闻

Science and technology 科学技术 Human evolution 人类的进化 Ask the family 寻根问祖 Human ancestry has just got more complicated 人类祖先之谜变得愈加复杂了 ONE of the oddest things about Homo sapiens is that he is alone. 有关

发表于:2019-02-24 / 阅读(122) / 评论(0) 分类 经济学人科技系列
学英语单词
a street battle
Acanthocephala
accounting services
acid-base scale of skin
aethaloessa calidalis tiphalis
amyl-propioladehyde
anemochores
angle of clearance
bidri
braking force distribution
braziliensis
carbonate system in seawater
cerostoma
Chevy Chase
closely coincide
combination bond
compound parabolic concentrator
copper flashing
Crèvecoeur-le-Grand
curettage of joint
cyclothymosis
dealer contest
delimas
desertss
despreading spectrum
digital phone
domestic water system
electrical pressure
Elzevirian
eptatretuss
eruptive stock
establishment charges
Exim bank
fertilizer practice
flos
flow duct
freedom of the will
fully-shaped heel
hboc
heterostrophin
hide stripper
hynobius arisanensis
input feature value
intine
iso salines
Jubaylāt
kaanapali
Kadsura
Kaposi's varicelliform disease
kozik
lift hook
light-for-date
Lossogonoi Plat.
man-made pest
menstruality
Mentha arvensis
metathesises
methyl glucoside
myocardial atrophy
Myōjin-san
nucleus of the seed
number glass
offset-axes gear
oxfenicine
periumbilical
phase transformation range
photoshock
plastic straw
pluckest
procacity
prow
pulaar
purpose of research
real time job
reductive sulfonation
retention of separated placenta
rikhye
ris-tof mass spectrometry
roundback
salicide
senecio doublasiis
senile ectropion
single cut
softcore pornography
somatomedin-A
sophrocattleyas
spatial mean value
splitless injection
spring operated band brake
stormfully
straight-fluted reamer
Suprastin
tampa bays
taper bush
Tasawah
thalamocortical
third juice
trout lilies
us -zilla
Wabaunsee County
wilcoes
zebra fishes