单词：tolyl hydrazine hydrochloride
单词：tolyl hydrazine hydrochloride 相关文章
Don had a pistol. It was a small pistol. He offered it to his brother Tony. Tony looked at the pistol. It was a beautiful pistol. It was black. It had a silver trigger. Tony put his finger on the silver trigger. He put the pistol in his pocket. He to
超级简单英语阅读
B Baicalein 黄芩素 Baicalin 黄芩甙 Baical Skullcap root P.E 黄芩提取物 Bakuchiol 补骨脂酚 Bavachalcone 补骨脂查耳酮 Barley Grass P.E 麦苗精提取物 Beiwutine 北乌碱 Benzoyl
医务英语
By Dan Robinson Capitol Hill 19 September 2006 U.S. Capitol Police say an incident early Monday in which a man possessing a gun drove his car through the capitol security perimeter and ran inside before being caught, has prompted a new review of pro
2006年VOA标准英语（九月）
By Dan Robinson Washington 26 May 2006 Police and emergency vehicles outside of Rayburn builiding A congressional office building near the U.S. Capitol was shut down for several hours Friday, as police investigated a report of shots being fired. ---
2006年VOA标准英语（五月）
Vice President Joe Biden and House Speaker Nancy Pelosi of Calif. applaud as Mexican president Felipe Calderon waves after addressing a joint meeting of Congress on Capitol Hill in Washington Thursday, May 20, 2010 Mexico's president is appealing dir
VOA标准英语2010年(五)月
By Jill Moss THIS IS AMERICA – April 15, 2002: Visiting the Capitol VOICE ONE: Historians have described the United States Capitol building as “the most recognized sign of democratic government in
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