单词:laser beam marking
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By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
[00:00.00] Unit 7 Helping at home [00:04.70]A.Look and say. Listen [00:10.06]what can your robot do? He can sweep the floor. [00:16.72]Now say [00:19.77]what can your robot do? [00:25.34]He can sweep the floor [00:30.98]sweep the floor [00:36.13]wash
澳洲流行天后 Kylie Minogue 最新MV《Crystallize》!小女孩演绎还没当歌星前的凯莉,拿着梳子对着镜子忘情歌唱,热舞。一代歌后的成长史呀,很励志的一首歌,有梦想就要去追逐。 歌词: When
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者, and who used to take him by the hand 常牵着他的手 to visit the ruins of an
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,
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
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
1. George Zimmerman, the neighborhood watch volunteer who's been charged with murder in the killing of Trayvon Martin, has surrendered to police. Zimmerman was booked into jail Sunday after having his bail revoked two days earlier. 2. A passenger pla
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
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
Hello and Welcome to News and Reports on China Radio International. In This EditionUN Secretary General Ban Ki-moon calls for an immediate end to violence in South SudanTens of thousands of people take to the streets of the Thai capital Bangkok to st
Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve
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
今天我们要学的词是catastrophe。 Catastrophe, 是灾难的意思。 Humanitarian catastrophe, 就是人道主义灾难。缅甸发生强热带风暴后,国际慈善机构乐施会警告说,缅甸已经处于一场公共健康灾难的边缘
今天我们要学的词是hard-wired。 Hard-wired, 用在人身上的时候,有天生的意思。 Some people are hard-wired to be most productive during the wee hours, 有些人天生就是夜里做事情效率最高。 He is hard-wired to take
这是一封有关装船细节的通知书。Consignmet 是发送;as stipulated 是按照规定;marking 是标志,俗称唛头;MS 是motor ship的缩写,意思是柴油机船。clean B/L 是清洁提单;sight draft 是即期汇票,也就是
Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距
We are going to catch things in this podcast, and yes there will be a new phrasal verb as well to catch up with. Like many common English verbs, catch is irregular. The past tense of catch is caught. So, I catch, I caught, I have caught. If you look