单词:phased laser array
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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
Part One 你听不懂的 Go like a house on fire 快速前进, 进展顺利 We didn't get along well in the beginning, but after a few months, we got on like a house a fire. She is a very clever girl and gets on with people like a house on fire. Grass widow 丈
The script of this programme 本节目台词 Tubes and buses are the best way to get round London. John: Hi, and welcome to BBC Learning English. I'm John. Oliver: 大家好,我是 Oliver。 John: Today we're going to find out all about public transport in Lo
London Transport John: Hi, Im John. Today were going to find out all about public transport in London. Vicki has done some special reports for us about the different types of transport in London. For example, the Underground. The London Underground,
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
Listen to February 18th 2011 to hear the background to this. In February this year, workers who care for intellectually disabled people, won their case for better night pay. The court said that they should be paid the minimum wage for sleeping at nig