单词：trial-and-error testing
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[00:08.88]take a chance take advantage of tear up tend [00:14.26]冒险,碰运气 对...加以利用 撕毁,取消 倾向,趋向 [00:19.64]tend to the Givil War the Nobel Prize therefore [00:25.42]朝某方向,趋于 内战 诺贝尔奖 因此,所以
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By Melinda Smith Washington 24 March 2008 Scientists who have worked for decades to find a vaccine for the HIV and AIDS infections will meet next week at the U.S. National Institute of Health in Bethesda, Maryland to chart a future course for researc
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Thorny Issues Surround Military Terror Tribunal at Guantanamo The Obama Administration recently reversed a decision about the trial venue for alleged 9/11 mastermind, Khalid Sheikh Mohammed. He and four alleged co-conspirators now face justice in a m
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英语中有一些词汇看起来非常简单，但组合起来使用却会让英语变得十分地道，今天的节目就来说说这些shortsweet的短语。 今天给大家介绍的都是A和B这种结构的短语： A B phrases: two words, with
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科技之光
British scientists at the University of Oxford have been human-testing UK's second Ebola vaccine. The first trial of a vaccine against Ebola at the university was carried out back in September. Doctor Neil Walker is one of 87 volunteers taking part i
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