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VOA标准英语2013--The History of the Laser

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[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊，小羊 地主，房东，店主 风景，景色 小路，小巷 [1:52.8522]largely laser latter laughter大部分，主要地 激光器 后者的，末了的 笑，笑声 [2:36.6

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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

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Jeff decided to try an older printer that he owned. He hadn't used it in a couple of years. He dusted it off. He inserted the installation disk. The disk started spinning. The software failed to install. He tried again. It failed again. He called HP

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The printer was not even two years old. Suddenly it developed a mind of its own. On its own, the printer made six copies of nothing. On its own, the printer scanned a blank document. It was its own boss. Jeff was no longer in control. When Jeff click