同源的;减数分裂时配对的染色体来自相同祖先的

A Century of Memories (1930-1939) Three years into the depression, the American system was in grave danger. Unless it could change, and change quickly, it might not survive. The optimism of the “ 1)

发表于:2018-11-28 / 阅读(235) / 评论(0) 分类 疯狂英语2003年

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(138) / 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(176) / 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(193) / 评论(0) 分类 2018年VOA慢速英语(二)月

(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(117) / 评论(0) 分类 托福听力短文

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(291) / 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(137) / 评论(0) 分类 医务英语

欣赏独具创意的英语广告!边听边看边学,品味世界名牌的风范,从细微之处感受英美社会的文化。

发表于:2019-01-05 / 阅读(219) / 评论(0) 分类 广告大餐

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 Scientific American(二)月

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(183) / 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(156) / 评论(0) 分类 VOA标准英语2011年(九月)

LULU GARCIA-NAVARRO, HOST: If you're looking to settle in for a long, meaty read as the days get shorter, the new novel The World Of Tomorrow is the sprawling story of three Irish brothers and their adventures in an America on the cusp of World War I

发表于:2019-01-16 / 阅读(114) / 评论(0) 分类 2017年NPR美国国家公共电台9月

ARI SHAPIRO, HOST: The human species is about to change dramatically. That's the argument Yuval Noah Harari makes in his new book Homo Deus: A Brief History Of Tomorrow. Harari is a history professor at Hebrew University in Israel. He expects we will

发表于:2019-01-16 / 阅读(140) / 评论(0) 分类 2017年NPR美国国家公共电台2月

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(139) / 评论(0) 分类 经济学人科技系列

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(432) / 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(172) / 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(173) / 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(213) / 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(175) / 评论(0) 分类 经济学人综合

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(200) / 评论(0) 分类 经济学人科技系列
学英语单词
all sliming
Asalem
atrioventricularia
automatic spring loaded valve
auxiliary pto shaft
barite dollar
bellan
Boolean type identifier
Bouafles
brachygnathism
case erector
central terminal unit
cephalodactyly
chosinness
chronometric dating
ciens
clicking
coalitioner
comeouter
cometary
cut-out governing
cuts glass
dark spot defect of led
diluvian
dispose of without a licence
echogenicity
electroncephaloscope
elevator actuating cylinder
fda-regulated
flock test
fluorocarbon oil
folial
food shops
forward-backward scheme
fully associative cache
gain matching
genus blighias
half-finished product
high-viscosity-crude oil field
hyperacute
hypothetical computer
inspection of merchandise received
Internet address
kai apple
ktenasite
lattice-cell fine structure
Law of Biot-Savart-Laplace
living accommodationss
lowerable
Lucy in the sky with diamonds
Marvin, Lee
mask word
MCMLXXVI
microinhomogeneity
more-recent
muffledly
muscle-tearing
needfire
nivalis
oil tight hatch
orat
osseo-albumoid
owner of freight
P. P. A. P.
partial-automation checker
Phyatopsis
playwriters
preexistence
radar compartment
radial check gate
razor burn
reconnaissance photograph interpretation
reference magnetic level
ring doorbells
rubidium rhodanide
sacro-anterior position
say against
scratch lathe
shortly-irradiated sample
sore place
stepstress test
straight channel
struthion
subvirus
sulfa-(-sulfa-)
swi
Taketa
temperature gauge
the light of your life
the type of area cultivated
thermobaric bomb
thin-beded
thread mode
tick fever paralysis
total average method
ultra-sonic method of liquid measurement
vibration criterion
voting ballot paper
Web portal
westerly wind burst
worsle