无偏振粒子束

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(二)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(96) / 评论(0) 分类 不择手段背单词

今天我们要学的词是 polarized. polarized is spelled p-o-l-a-r-i-z-e-d, polarized. Polarized是指鲜明的,两极分化的,In today's highly polarized political environment, Republican and Democratic partisans have staked their positions

发表于:2018-12-30 / 阅读(97) / 评论(0) 分类 英语单词荟萃

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics. In the early 1960s, Yoichiro Nambu of

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(100) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 Second Science, I am Cynthia Graber, this will just take a minute~ How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. Thats the idea behind a recent look at earthshine. Res

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(三)月

This Scientific Americans 60 senconds science. I'm Cythia Graber. This will just take a minute. How did the zebra get stripes. One theory holds that stripes help confused predators. But stripes might be primarilly to protect zebras from ferocious ins

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(二)月

[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会,误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望;

发表于:2019-01-08 / 阅读(259) / 评论(0) 分类 高中英语词汇

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(156) / 评论(0) 分类 英美文化

By Peter Heinlein United Nations 19 September 2006 Secretary-General Kofi Annan opened the annual U.N. General Assembly debate with a grim assessment of world progress during his 10-year term in office. ---- Kofi Annan opens his last U.N. General As

发表于:2019-01-12 / 阅读(168) / 评论(0) 分类 2006年VOA标准英语(九月)

Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step

发表于:2019-01-13 / 阅读(93) / 评论(0) 分类 VOA标准英语2011年(十二月)

Key Vote Looms in US Amid Polarized Political Atmosphere Sometings during the next several weeks, the U.S. Congress will take up the issue of raising the nation's debt ceiling so that the United States can continue to borrow money to cover a national

发表于:2019-01-14 / 阅读(136) / 评论(0) 分类 VOA标准英语2011年(四月)

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(162) / 评论(0) 分类 美国习惯用语

The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon

发表于:2019-01-29 / 阅读(73) / 评论(0) 分类 万物简史

How about 'Pig Supreme'? asked one of the lambs. 细皮肥猪怎么样?一只小羊问道。 No good, said Charlotte. It sounds like a rich dessert. 不好,夏洛说,这听上去像油腻的菜名。 How about 'Terrific, terrific, terrific'? as

发表于:2019-01-29 / 阅读(95) / 评论(0) 分类 夏洛的网

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-03 / 阅读(72) / 评论(0) 分类 英语每日一词

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-18 / 阅读(58) / 评论(0) 分类 英语单词荟萃

Scientists with the European Organization for Nuclear Research, or CERN, have begun working again after a two-year hiatus. The Large Hadron Collider was shutdown in 2013 for a major refit. It's allowed for its power to be doubled, enabling scientists

发表于:2019-02-18 / 阅读(57) / 评论(0) 分类 英语新闻

IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a

发表于:2019-02-18 / 阅读(108) / 评论(0) 分类 2012年VOA慢速英语(七)月
学英语单词
abnormal color of urine
antimonopolism
Bagare
Ban Kao
Bayes decision theory
biocoenosium
bistoury
bistropamide
blackquarter
bludgeoning
Central Pacific Basin
Cerasus triloba
chinese-green
chromatic colour
colo(u)r purity allowance
competitive tender
contactless control
container lashing
Cordignano
custom installation
Darou Mousti
DC signalling system
delta pulse code modulation
density gage
diagram cone
dilaurylamine
disrating
Dithane M22
dokki
dress sb. down
drug-takers
educational symposium
expansive working
fibrous polyp
filform
floatation gear
free hydrochloric acid
fringe identification
gazingly
grinds away at
have somebody by the short hairs
Hemitragus jemlahicus
hexiamonds
high challenges
homosalates
Huaxi
incisura frontalis
initial moment
intermediate condenser station
large screen
leave somebody behind
ligas
limp leather goods
liquid assetss
Lokofa
magnetic flux units
Marsian
Mbang, Mts.
mechanical recording
megatherm plant
methboub
multioperation
nuclear magnetic resonance log
oil tight floor
Onsager relations
overcriticalness
overrecovers
PFPTH
plugging period
power-cut
pressureactuated
prickier
professional technicians
propertary
provoke sb to do sth
pulmonary hyaline membrane
R rating
recovery of price
recurrent neural network
reinfection tuberculosis
ring halogenation
riser tensioner
SAS-500
saw chain filing machine
scintillation chamber
SI P
social stratification in science
stomatoscopes
stratagemical
support set
tewing
think better of sth
Tiveden
traceable paper
tufftride method
type of architecture
verticalizing
Vincent's infection of tonsil
visual imagery
Winchester College
woodie
zine plate