斜锰钾矿

数学英语 30 How to Use Math to Send Encrypted Messages

by Jason Marshall Would you believe its possible to send someone a secret message secured with absolutely unbreakable encryption using only a bit of simple arithmetic? Well, it isthe solution is surprisingly simple and was used by British, German, an

发表于:2018-12-07 / 阅读(37) / 评论(0)

数学英语

第72期: kiss, lane, magnet, name, zeal

说一口流利的英语，从简单的单词开始。听听，读读，背背，今天你的词汇量又增加了5个。单词/词义中英例句单词听读 kiss [ kis ] A soft wind kissed the tr

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每日攻克5词

2006年NPR美国国家公共电台五月-Review: 'The Da Vinci Code'

Anchor: Dan Brown's best-selling novel The Da Vinci Code is second only to the Harry Potter series as the best-selling novel of all time. And it has inspired a whole slew of books on Biblical puzzles, Opus Dei, and the life of Mary Magdalene, as wel

发表于:2019-01-08 / 阅读(174) / 评论(0)

2006年NPR美国国家公共电台

美联社新闻一分钟 2007-03-12

1. President Bush is asking Congress for money for another troop surge. He wants to send more than 8,000 more troops to Iraq and Afghanistan. The request comes as Congress is trying to figure out ways to get the U.S. out of Iraq. 2. Meanwhile, repre

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美联社新闻一分钟2007

A标准英语2009年-India Decries Lack of Progress at Climat

With three days remaining at the Copenhagen climate talks, India's government is expressing its disappointment with the proposals put forth so far. Steve Herman | New Delhi 16 December 2009 Indian Foreign Secretary Nirupama Rao (file photo) Officials

发表于:2019-01-13 / 阅读(67) / 评论(0)

VOA标准英语2009年(十二月)

THIS IS AMERICA - Visiting the Capitol

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

发表于:2019-01-30 / 阅读(119) / 评论(0)

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学英语单词

anisokinetic sampling

application-based

appropriate procedure

automation of heat power plant

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bucke

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