漫射罩

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(81) / 评论(0) 分类 英语演讲

A lot of protests took place around the city's centre, around parliament, we did have some violence riot at this time, and it started with protesters throwing Molotov cocktails, and the police so responding, things escalated for a while, and the parl

发表于:2018-12-20 / 阅读(53) / 评论(0) 分类 CNN2010年(十二)月

Before he went for office in 2003, Schwarzenegger fathered a child with a member of his household staff. According to a statement he gave the paper, (quote) After leaving the governor's office, I told my wife about this event which occurred over a de

发表于:2018-12-20 / 阅读(83) / 评论(0) 分类 CNN2011年(五)月

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 英语语法 Grammar Girl

据《科学》杂志报道,苏联的月球车40年前在月球表面留下了激光反射器,虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日,一组物理学家终于发现了来自反射器的微弱闪

发表于:2019-01-02 / 阅读(113) / 评论(0) 分类 60秒科学

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(81) / 评论(0) 分类 电信英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. Hi, Steve Mirsky. Here, I'm going over our usual one minute today. By now you've probably heard of Expelled, the new Ben Stein anti-evolution crocumentary. It officially opens today, as I speak that's

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 Scientific American(四)月

The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e

发表于:2019-01-19 / 阅读(110) / 评论(0) 分类 2016CRI中国国际广播电台

Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 英文短篇故事(纽约)

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(105) / 评论(0) 分类 VOA常速英语2007年(十一月)

Kathy's song 歌手:Eva Cassidy 《Kathy's Song》 -- (P. Simon, 1965) Simon and Garfunkel I hear the drizzle of the rain Like a memory it falls Soft and warm continuing Tapping on my roof and walls. And from the shelter of my mind Through the wind

发表于:2019-02-04 / 阅读(74) / 评论(0) 分类 好听的英文歌曲

Dangling bonds 悬挂键 Dark current 暗电流 Dead time 空载时间 Debye length 德拜长度 De.broglie 德布洛意 Decderate 减速 Decibel (dB) 分贝 Decode 译码 Deep acceptor level 深受主能

发表于:2019-02-05 / 阅读(93) / 评论(0) 分类 实用英语

你应该知道的11件事 A silhouette of a human being stands before you. Perhaps an old friend. Perhaps a neighbor. Perhaps a perfect stranger, like me. Here are 11 things we all need you to keep in mind 1. You never really know how much the peopl

发表于:2019-02-09 / 阅读(95) / 评论(0) 分类 实用英语

The other day an acquaintance of mine, a gregarious and charming man, told me he had found himself unexpectedly alone in New York for an hour or two between appointments. He went to the Whitney and spent the empty time looking at things in solitary b

发表于:2019-02-13 / 阅读(152) / 评论(0) 分类 英语名篇背诵

Hi everyone, I'm Asieh Namda at the CNN. com newsroom in Atlanta. Here is a look at what is happening NOW IN THE NEWS. The battleground states-they are top focus on the campaign trail. On the Republican side, Senator John McCain and Sarah Palin are

发表于:2019-02-16 / 阅读(71) / 评论(0) 分类 商业报道2008年(十一)月

BEIJING, April 28 (Xinhua) -- The second Beijing International Film Festival concluded on Sunday, with industry insiders hoping that the festival will create a new global perception of Beijing and the Chinese film industry. As the birthplace of China

发表于:2019-02-19 / 阅读(52) / 评论(0) 分类 英语新闻

The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for

发表于:2019-02-21 / 阅读(102) / 评论(0) 分类 2016CRI中国国际广播电台

At the equator the convection process is generally stable and the weather predictably fair, but in temperate zones the patterns are far more seasonal, localized, and random, which results in an endless battle between systems of high-pressure air and

发表于:2019-02-25 / 阅读(61) / 评论(0) 分类 万物简史
学英语单词
adhesive paper
agricultural forest managerialics
alignment code
articular syphilis
athyrium yokoscence (franch. et sav.christ)
babwen
bad lucks
burtnesses
candy press
car stereo
comb filter
concrete-plastic combination
conjugal rites
curved-sided weir
data-directed output
de-historicized
delirium depressivum
Dheskati
distribution information
doughnut chart autoformat
dreamlikeness
DSY
editor menu
electrode system
Encyrtidae
enlay
fontful
fruit-garden
gannister
golann
Golgi-Mazzoni corpuscle
Guanare
Hebrew Scripture
hymenopode
hyperguanidinaemia
hypovitaminoses
ileum
infracentral
inspire sth in sb
Intensity Red Green Blue
intracellular movement
invariant relation
iododerma
isocaproic alcohol
isolation joint
isomesic
isoperimetric figures
kame-and-kettle topography
Knyazhevo
large-scale land holdings
make a mountain of a molehill
method of characteristic curve
mill white sugar
mitochondrias
monitoring circuit
most important of all
moving bed filter
multi electrode tube
nanofabs
NCDA
near-letter quality
night fighting
non-labeling
nonnegotiating
noony
off-budget expenditure
Ogun, R.
Onosma dumetorum
osteodentines
output maximization
overlapping colours
perithelial tumor
plasticity retention percentage
pondereth
positive unit hemi-bipyramid
quartz crystals
rack mixer
reactive output
reiders
residual potential
root forming substance
RTM (register transfer module)
Salmon Bay
sistina
Sophora tonkinensis
SS-N-14
subcortical intracerebral hemorrhage
table mountains
taglia
temple architecture
tenoxican
thermal-conductivity gas analyzer
tinajas
trimode
uarts
uk pavilion
unit construction mould
vetch
wheedled
wide projective bundle
Yefrem
zero of a circuit