指数同态

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(164) / 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(207) / 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(221) / 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(143) / 评论(0) 分类 托福听力短文

I don't want any hassles with the fuzz. hassle:麻烦 fuzz:[美俚]警察 我可不想跟条子发生口角。 -Howard:Fine, what color do you want? 好吧,你想要什么颜色? -Sheldon:You know the pale blue of Luke Skywalker's Lightsa

发表于:2019-01-01 / 阅读(136) / 评论(0) 分类 生活大爆炸第二季

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(318) / 评论(0) 分类 2017年VOA慢速英语(十一)月

'Human' Remains Found in Ethiopia Said to Be Up to Four Million Years Old 埃塞俄比亚发现四百万年前人类遗迹 The team of scientists from the Cleveland , Ohio Museum of Natural History re

发表于:2019-01-03 / 阅读(202) / 评论(0) 分类 VOA2005(上)--文化教育动态

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(163) / 评论(0) 分类 医务英语

H Harmaline 骆驼蓬碱 Harmalol 去甲骆驼蓬碱,骆驼蓬酚 Harmine 哈尔明碱 Harringtonine 三尖杉酯碱 Hawthorne Berry P.E 山楂果提取物 Hawthorne leaf P.E 山楂叶提取物 Haya

发表于:2019-01-03 / 阅读(198) / 评论(0) 分类 医务英语

A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候, I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

发表于:2019-01-03 / 阅读(163) / 评论(0) 分类 TED演讲科学篇

分集介绍:指数,log,对数微分;双曲函数 Exponential.and.log.Logarithmic.differentiation;.hyperbolic.functions

发表于:2019-01-05 / 阅读(475) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

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(207) / 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(179) / 评论(0) 分类 VOA标准英语2011年(九月)

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(168) / 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(475) / 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(205) / 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(204) / 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(245) / 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(198) / 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(224) / 评论(0) 分类 经济学人科技系列
学英语单词
abietines
amniotitis
amplitude distribution
Azerbaijan, Azerbaidzhan
block assembly shop
blowout coil
bolshy
bonding fibre
botijos
brake motor
breath-holdings
brick-and-a-half wall
buckling of a plate
bunker busters
caloric conductibility measuring apparatus
chordiazepoxide
circumdenudation
completely knocked down
cosmogenic nuclide
crushing value test
daffings
date counter overflow
date of completion of discharge
digital signalling
discredit with
doldrums belt
dull side of paper
duration of imprisonment
electrotints
endocrinologies
equal-utility contour
Ernst Werner von Siemens
eveningless
far right
feathermation
fee simple absolute
flos ferri
gas density recorder
haftas
Halanaerobiales
hard over angle
head sprouting season
heat-shock gene
heptangular
hery
hexaprofen
hominy gritss
identification lamps
imid
in-process server
industrial user
jozit (iozite)
knaur
knocked up
laser Doppler velocimetry
least mean-square optimization
logic cmosfet integrated circuits
lymphagogue
maxilloalveolar length
Mc Carthyism
meshing component
minimum-latency programming
moleelectronics
myoendocrine
national public servant
noncracking
normal family of functions
oil-pressure control relay
opinative
personnel manager
pressure filter tank
programmed system
refrigerium
rivetting
ruiner
sapajou
satellite aberration
sensitive skin
service supplier
shopping centres
silo centerline
small ribosomal subunit
soil colo(u)r
stable time
starchy tcxture
statement of liquidation
sterno-ventral shield
subsequent instruction
Tasman Plat.
Templepatrick
thermae
transformer regulation
transient process
transliterally
true color image
truncated series
Vairowal
vocabs
wardress
wastewater disinfectant
window-cleaner
worshipful