自共轭核

Male: I think we better 1) review. Female: Yup good idea. Male: OK, the most important rule, the one that all the others serve to protect and 2) execute is that verbs and their subject must agree. Sin

发表于:2018-11-28 / 阅读(146) / 评论(0) 分类 疯狂英语2002年

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(319) / 评论(0) 分类 历年考研英语阅读理解

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转,甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

发表于:2018-12-07 / 阅读(111) / 评论(0) 分类 太阳科普

Will Chinese Replace English as the Global Language? 汉语会取代英语成为世界语言吗? Facebook founder Mark Zuckerberg recently surprised Chinese students when he spoke to them in Chinese. In a talk at Tsinghua University in Beijing, Zucke

发表于:2018-12-08 / 阅读(94) / 评论(0) 分类 2014年VOA慢速英语(十二)月

OK, one more thing, if I can even get more bizarre. 另外还有一件事是更难以想象的 Since virtually all the mass of an atom is in the nucleus 既然事实是原子的全部质量集中在原子核, now, there is some amount of mass in th

发表于:2018-12-08 / 阅读(80) / 评论(0) 分类 TED演讲教育篇

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

发表于:2018-12-27 / 阅读(57) / 评论(0) 分类 英语听力广播—Listening

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that ot

发表于:2018-12-30 / 阅读(190) / 评论(0) 分类 国家地理2008年

Science and Technolgy. 科技。 Modern alchemy. 现代炼金术。 Turning a line. 进入新的一行。 The race to extend the periodic table continues. 扩展元素周期表的比赛仍在继续。 ONE of the first inklings that chemistry has an u

发表于:2018-12-31 / 阅读(106) / 评论(0) 分类 经济学人科技系列

赫芬顿邮报:科学家预言,未来不久,人们将能够通过吞药丸来获取知识,一颗药丸下肚,可能就学会了一门外语.有这么简单的方法,那中国的同学们再不用担心英语学习了. 吃药丸学习英语? Huffingt

发表于:2019-01-01 / 阅读(65) / 评论(0) 分类 双语趣听精彩世界

Grammar Girl here. Today's topic is ain't and a few other troublesome contractions. To quote the famous opening lines of the first-ever talking picture, The Jazz Singer: Wait a minute, wait a minute! You ain't heard nothin' yet! You may have been chi

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 英语语法 Grammar Girl

图片1 Today's topic is lay versus lie. Lay Versus Lie First, we'll do the easy part, which is the present tense... If you exclude the meaning to tell an untruth and just focus on the setting/reclining meaning of lay and lie, then the important dist

发表于:2019-01-02 / 阅读(101) / 评论(0) 分类 英语语法 Grammar Girl

Study: We Learn Language in Pre-Human Area of Brain From VOA Learning English, this is the Health Lifestyle report. A new study from brain researchers helps explain how the human brain evolved, or changed over time, to permit people to speak and writ

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 2018年VOA慢速英语(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(八)月

The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 英语小短文

Today, Bonnie Trenga will help us figure out whether a fast-food chain is on the cutting edge of grammar, or its just being creative with verb tenses. Its time to dissect the McDonalds advertising slogan Im loving it. An ESL teacher named Devaki wrot

发表于:2019-01-10 / 阅读(81) / 评论(0) 分类 英语语法 Grammar Girl

WHO Approves Infant Meningitis Vaccine 世界卫生组织已批准婴儿脑膜炎疫苗 The World Health Organization has approved the use of a meningitis vaccine for infants in sub-Saharan Africa. The vaccine has been given to older children and you

发表于:2019-01-14 / 阅读(60) / 评论(0) 分类 VOA标准英语2015年(一月)

Facebook founder Mark Zuckerberg recently surprised Chinese students when he spoke to them in Chinese. In a talk at Tsinghua University in Beijing, Zuckerberg spoke Chinese for about 30 minutes. Although his Mandarin was far from perfect, students an

发表于:2019-01-17 / 阅读(47) / 评论(0) 分类 英语语言学习

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that oth

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 自然百科2008年

By Naomi Schwarz Dakar 10 March 2008 With more than three months remaining in the peak meningitis season, outbreaks in Burkina Faso and Central African Republic have already taken hundreds of lives. But the World Health Organization says a new, low-c

发表于:2019-02-03 / 阅读(65) / 评论(0) 分类 VOA标准英语2008年(三月)

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(102) / 评论(0) 分类 托福英语
学英语单词
a b
a dream job
acid-resistant system
adjustable blade propellerpump
admiralship
advanced bore hole
aguayos
alength
almost splitting extension
anode press
application programming services
blazoners
breaking face
breathing exercise
Bullitt, William Christian
Catoforite
central atoms model of solution
College of Cardinals
conform(to)
control time horizon
Coulomb scattering
Crede's method
Cronin, A(rchibald) J(oseph)
cross shape
crude asphaltic petroleum
cumulative engine flight hours
de(s)oxyribonuclease
desponder
digestion process
dikaryolization
dilatation of heart
diluvium deposit
display situation
distributable reserves
doppler spectrograph
dough mt.
electroconductive gas analyzer
electron-beam evaporator
elviss
emptier
Encinas de Abajo
end-of-text
ended in
engestron
epiphoneme
evaporation of aluminum
ex-supernova
Flap-Footed
fringers
frontier orbitals
graphic carbon
Haskell, Mt.
hexaoxadiazabicyclohexacosane
high level scheduler
high wing monoplane
ice crystals
instop
iron collar
joining
Julian Alps
leadbanks
longitudinal median plane
manual operations panel
Marx, Karl (Heinrich)
microarchitecturally
mixed steel
monocellularity
moulderings
near-circular orbit
needment
network security component
nonalcoholic
orthiconoscope
pattern matching function
peg tankard
radiation beam axis
rarefied zone
rear turbine bearing
remreed relay
restaruant
rod insertion
route sampling
Sado-kaikyo
sequential hierarchy segment
seventh chord
Sky-Fi
slot equivalent impedance
snellings
spring-run
squidgiest
static catalytic cracking
subsolidus data
sulfanilamidopyrazine
thumping manipulation
tile kiln
total depravity
trimeric acetaldehyde
ultra-violent
unstressable
very high speed integrated circuit (vhsic)
whitishness
women's lib