雷子轰击蒸发源

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(184) / 评论(0) 分类 英文杂志-Magazine

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2018-12-11 / 阅读(227) / 评论(0) 分类 英语讨论

Millions of Americans are preparing for the worst as hurricane Sandy bears down on the east coast. It's expected to make landfall later this morning with winds of up to 140 kilometers an hour. Public transport systems have shut down, thousands of fli

发表于:2018-12-11 / 阅读(185) / 评论(0) 分类 澳洲ABC新闻快递2012年

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(210) / 评论(0) 分类 Scientific American(九)月

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(278) / 评论(0) 分类 2017年VOA慢速英语(十)月

By Enming Liu Baltimore, MD 27 September 2006 watch report on Fort McHenry The American national anthem, The Star-Spangled Banner, is played at sports events, religious ceremonies, and many other important occasions. But not all Americans know the s

发表于:2019-01-06 / 阅读(220) / 评论(0) 分类 2006年VOA标准英语(九月)

By Challiss McDonough Tyre, Lebanon 25 July 2006 Southern Lebanon is bearing the brunt of Israeli airstrikes that have now gone on nearly two weeks. The towns and villages of the Shiite-dominated south have been pounded by artillery, killing more th

发表于:2019-01-07 / 阅读(215) / 评论(0) 分类 2006年VOA标准英语(七月)

By Kari Barber Dakar 21 March 2008 In many African countries, few people have access to computers and the Internet. Experts say this is hindering development and preventing students from being able to compete for jobs. At a conference in Dakar this w

发表于:2019-01-07 / 阅读(220) / 评论(0) 分类 VOA标准英语2008年(三月)

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(192) / 评论(0) 分类 Scientific American(十)月

ROME, Jan. 7 (Xinhua) -- Lazio head coach Edy Reja was left disappointed by his worst Lazio after they succumbed 4-0 at Siena in the Italian Serie A on Saturday. The Biancocelesti had previously been unbeaten away from home, but were crushed by the T

发表于:2019-01-09 / 阅读(149) / 评论(0) 分类 英语新闻

Sudan Blames Bombardment on Southern Aggression As violence continues along Sudan's disputed north-south border, the government of Sudan has rejected U.S. President Barack Obama's demand for peace. On the defensive after international condemnation of

发表于:2019-01-14 / 阅读(225) / 评论(0) 分类 VOA标准英语2011年(六月)

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(291) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(184) / 评论(0) 分类 TED演讲教育篇

By Challiss McDonough Tyre, Lebanon 07 August 2006 In south Lebanon, the last road leading out of the city of Tyre has been cut by Israeli airstrikes. That means that aid workers may no longer be able to get vital supplies into town from the north.

发表于:2019-01-31 / 阅读(191) / 评论(0) 分类 2006年VOA标准英语(八月)

发表于:2019-02-01 / 阅读(183) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(202) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(172) / 评论(0) 分类 实用英语

Russian tennis star Maria Sharapova won her first French Open title with a 6-3, 6-2 victory over Sara Errani of Italy on the red clay at Roland Garros in Paris Saturday. Sharapova is now the 10th woman in tennis history to win all four Grand Slam tou

发表于:2019-02-07 / 阅读(162) / 评论(0) 分类 英语新闻

Part I Talk about Social Issues 谈论社交话题 天气、政治、流行情报很容易成为人们日常谈论的话题。 天气、气候 1. 预计本周都应该是晴天。 Its supposed to be sunny all week. 2. 气象员说今天是晴天,

发表于:2019-02-18 / 阅读(168) / 评论(0) 分类 实用英语

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(207) / 评论(0) 分类 双语有声阅读
学英语单词
-ed
acceleration, tangential
adult cow
annandaleum laccadivicum
aortie obstruction
applied regression analysis
asthmatoid
bloomiest
booze jockey
Cefprozi
Cepphus columba
ceramic fracture toughness
charging machine
checking-up
chorion frondosum
conical body
constant heat oven
cotecna
cover meter
critical vibration
cue-induced drug use
CVW
desines
digital audio disk
dimethyl butadiene
Donhead St Mary
dow jones news/retrieval service
drops around
endless rope
extremal convex domain
Fairprice
field petroleum officer
filing of the award
fractocummulus
furor transitorius
generalized ster distribution
ggh
goilk
gold-trimmeds
ground troops
harpiosquilla melanoura
hilly pond
hirono
hyperphosphatasemia
hypolamprus emblicalis
Indian salad
interpend
IP (item processing)
irruptively
leg-o'-mutton
litho oil
low pressure acetylene generator
low temperature resistivity
Lutheran World Federation
Magdalena, R.
meanderingss
means of one's satisfaction
microcytotoxicity assay
Mukayman, Jab.
nasopharynioma
nebular transition
nuclear radiation environment
one body welding set
oostegite
orange-ginger
osmo-regulation
outpourings
Pakistan, East
pass sth on
phosphorescent detector
polytope
predicated dead time
preprovide
rainbowed
rectangular semigroup
redundant component
Reevesia botingensis
refuse feeder
roll painting
rubber diaphragm
scions
seawater molecular physics
site visits
smelting reaction
sodium oxaloacetic ester
sporangium
STA-307
stack base register
take it out of someone
Tarini's recess
tharcakes
thermal curtain
thicketed
tower evaporation
turtleheads
unable to do
up load
upcast header
vaginal injury
Vicat apparatus
whole carcass
Zip your lips!