单词:YAG Laser Processing Equipment for 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
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
Reading and Processing Emails Every day I feel more and more overwhelmed by email. Once I turn on my computer and look at my inbox, I get sucked into reading and responding to emails. I have a personal email account and an email account for work. Wit
By Mario Ritter Broadcast: October 7, 2003 This is Doug Johnson with the VOA Special English Agriculture Report. Today we finish a two-part series. A listener in Brazil asked about 1)agroecology. This
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
By Mario Ritter Broadcast: September 30, 2003 This is Steve Ember with the VOA Special English Agriculture Report. This week, we take a suggestion from a listener in Brazil. Agricultural specialist Lu
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
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
CANBERRA, Sept. 30 (Xinhua) -- Australian federal government(联邦政府) on Thursday announced it will immediately lift a freeze on the processing of claims from Afghanistan(阿富汗) asylum seekers. The six-month freeze on processing, whi
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
The prefrontal cortex is the region of the brain located just behind the forehead. This is where higher-level cognition occurs, such as recalling whether a word was heard aloud or read. Most people show evidence of more processing on one side of the