单词：laser zenith vertical instrument
单词：laser zenith vertical instrument 相关文章
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
VOA常速英语2008年（四月）
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
TED演讲科技篇
核心句型： I quit because I don't want to be stuck in a rut. 我不想原地踏步，所以才辞职了。 be stuck in a rut 直译过来就是：被卡在一个凹槽里，rut本身指车轮驶过留下的印痕，引申指从过去延续下来的
轻松日记商务职场篇
I am the conscious soul Supreme awareness The serpent rising, following the spine Nothing has really changed No nothing's really new Everything is still the same But I see in different ways Flesh and spirit Obscure alliance pass unseen Soul in zenith
英文摇滚歌曲
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
VOA常速英语2007年（十一月）
Webersat 韦伯卫星美国小型无线电照相卫星 West Ford 西福特美国广播通信试验卫星 Westar(West Star) 西联星美国国内通信卫星 White Cloud 白云美国海洋监测卫星 W
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