单词：photon momentum
单词：photon momentum 相关文章
More signs that the US economy is moving in the right direction: The US Labor Department says new claims for unemployment benefits declined last week, dropping below 400,000 for the first time since July 2008. Other data also shows that businesses ex
VOA标准英语2010年(十二)月
Obama Africa Policy Gaining Momentum 奥巴马的非洲政策蓄势待发 WASHINGTON President Barack Obama will host a summit of African leaders in Washington this August, a sign that his administration is paying more attention to the continent than
VOA标准英语2014年(一月)
Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of
2015年Scientific American(一)月
A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub
Scientific American(十)月
今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增，to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid
英语单词荟萃
By David Gollust Jerusalem 01 August 2007 U.S. Secretary of State Condoleezza Rice held talks with senior Israeli officials Wednesday to try to restore momentum to the Israeli-Palestinian peace process. She came to Jerusalem from Saudi Arabia, where
2007年VOA标准英语（八月）
The battle over reforming the U.S. health care system has intensified in recent weeks, and the political stakes are growing for President Barack Obama as well as for Democrats and Republicans in Congress. Pres. Barack Obama listens to a question at
VOA标准英语2009年(八月)
DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia
2017年NPR美国国家公共电台7月
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
TED演讲教育篇
Leaders of the world's advanced economies have drawn their three-day summit to a close by meeting with counterparts from major emerging economies to propose what they call a vision on climate change. VOA's Kurt Achin reports from Hokkaido. U.S. Pres
VOA标准英语2008年（七月）
...I will accept this award - as a call to action, a call for all nations to confront the common challenges of the 21st century,' said Mr. Obama Paula Wolfson | Washington 09 December 2009 Pedestrians wait at a trolley stop in Oslo, Norway in front o
VOA标准英语2009年(十二月)
By Mil Arcega Washington, D.C. 10 July 2007 A worldwide poll of more than 100 million people has selected what it calls the new seven wonders of the world. The on-line poll picked: - the Roman Coliseum - the Taj Mahal - the Great Wall of China - Mach
2007年VOA标准英语（七月）
By Jim Malone Washington 26 February 2008 Presidential contender Barack Obama won the endorsement of a former rival Tuesday in his battle with Hillary Clinton for the Democratic Party nomination. Obama also got some good news in national polls as he
VOA常速英语2008年（二月）
By Jim Malone Washington 13 February 2008 Senator Barack Obama got a major boost Tuesday with victories in the Democratic presidential primaries in Maryland, Virginia and the District of Columbia. Obama remains in a tight race with Senator Hillary Cl
VOA常速英语2008年（二月）
3 Must-Do Strategies for Building Momentum in Life The rhythm of daily action aligned with your goals creates the momentum that separates dreamers from super-achievers. I love momentum. Seriously, momentum is a beautiful thing. Momentum enables you t
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今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增，to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid
英语每日一词
By Greg Flakus Houston, Texas 10 February 2008 Illinois Senator Barack Obama swept up more delegates Saturday in his bid for the Democratic presidential nomination, winning the day's two caucuses and one primary. On the Republican side, former Arkans
VOA常速英语2008年（二月）
By Jim Malone Washington 15 February 2008 In the U.S. presidential race, Democrat Barack Obama continues to build momentum in the party nomination battle with rival Hillary Clinton. On the Republican side, John McCain is hoping some high-profile endo
VOA常速英语2008年（二月）
By Jim Malone Washington 14 May 2008 Democratic presidential contender Hillary Clinton is looking for renewed momentum after trouncing rival Barack Obama in Tuesday's West Virginia primary. But most political analysts continue to believe Clinton is r
VOA标准英语2008年（五月）
10 Quotes To Change Your Momentum Weve all been there. Were out of ideas and nothing new is coming to our tired and weary minds. When these moments strike, Ive always been a fan of reading quotes to get me out of that funk, whether its writing a term
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