单词：return-beam vidicon
单词：return-beam vidicon 相关文章
Simon got a monthly bill that he didnt like. His Internet service provider, Wink, automatically withdrew $15 from his checking account each month. This was called direct payment. It made things simpler for him because it meant one less check to write
365个英语简短小故事
1. visibility /ˌvɪzəˈbɪləti/ -- degree of clearness of the atmosphere, with reference to the distance at which objects can be clearly seen With the fog rolling in and visibility approaching zero, it was virtually impossible for planes to land. 在
突破英文词汇
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,
不择手段背单词
[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；
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
英美文化
By Greg Flakus Terlingua, Texas 22 February 2006 watch Desert Dwellers report Mountains, desert near Terlingua, Texas Most human beings are social animals and yet there are people who long to get far
2006年VOA标准英语（二月）
By David McAlary Washington 06 December 2006 New biological evidence casts more doubt on Libyan government charges against six imprisoned Bulgarian and Palestinian medical workers accused of deliberately infecting several-hundred Libyan children wit
2006年VOA标准英语（十二月）
By Paul Sisco Washington, DC 21 February 2007 watch New Discovery Center One of the newest attractions for visitors to Florida, the southernmost point in the continental United States, celebrates the undersea world in and around the famous Florida K
2007年VOA标准英语（二月）
By Kane Farabaugh Kangerlussuak, Greenland 24 July 2007 Greenland's glaciersshow evidence of global warming Periods of global warming and cooling have caused the terrain of Greenland to change over time -- part of the natural process of the Earth's e
2007年VOA标准英语（七月）
By David McAlary Washington 17 March 2006 Scientists report evidence that the universe was born in less than the blink of an eye, expanding instantly from sub-microscopic size to astronomical proporti
2006年VOA标准英语（三月）
The World Food Program has called on South Korea to provide $60 million in aid for North Korea. The United Nations agency says the isolated state is facing its worst food shortage in a decade. Jason Strother has more from Seoul. The South Korean Uni
VOA标准英语2008年（八月）
By Al Pessin Pentagon 18 June 2008 A group of American doctors that promotes human rights says it has examined 11 former detainees who were held by the U.S. military, and determined they were systematically tortured with the complicity of medical pe
VOA标准英语2008年（六月）
Acupuncture by Untrained Providers Poses Risks for Kids In the hands of trained practitioners, acupuncture is a safe medical treatment, even for children. But a new study finds when acupuncture is performed by untrained providers, it can pose a serio
VOA标准英语2011年(十一月)
Prosperity in Turkey Creates Iftar Divide In Turkey, the Islamic fasting month of Ramadan has put the spotlight on the increasing divide between rich and poor. The country's growing affluent class, a product of a decade of unprecedented economic grow
VOA标准英语2011年(八月)
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
美国习惯用语
SCIENCE IN THE NEWS - November 12, 2002: Oldest Evidence of Jesus? / Mapping Genes that Cause Disease / 2002 World Health Report VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with
科技之光
By Jade Heilmann Dakar 19 December 2007 Africa is slowly bridging the gap that divides it from the digital world. Government officials and technology companies are trying to implement programs such as telemedicine and electronic education within the
VOA常速英语2007年（十二月）
By Phillip Wellman Dakar 16 September 2007 Efforts to reunite war-divided Ivory Coast have been fraught with difficulty, but some say the Ivorian band Magic System has been able to bring people together in a way politicians have not. The band is mark
2007年VOA标准英语（九月）
By Greg Flakus Houston 12 March 2008 Senator Barack Obama added another victory to his campaign for the Democratic nomination Tuesday, winning the southern state of Mississippi's primary. The 33 delegates at stake will be divided with opponent Senato
VOA标准英语2008年（三月）
Analysts and U.S. officials say American pressure on Pakistan over counterterrorism policy has strained the relationship between that country's government and its military. As VOA Correspondent Gary Thomas reports, the two camps differ over how much
VOA标准英语2008年（十月）