单词:cryptolithus
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单词:cryptolithus 相关文章
Dubai is the top center for gold trade in the Middle East. In Dubais old gold market, buyers from around the world argue over prices for jewelry. But in other parts of the United Arab Emirates (UAE), the metal is becoming important in financial engin
VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we visit a small museum in the state of Maryland. It is called the National Cryptologic Museum. It is filled with informat
EXPLORATIONS - September 18, 2002: National Cryptologic Museum By Paul Thompson German Nazi, American and Japanese coding machines. (Photo - Ed Bunyan) VOICE ONE: This is Mary Tillotson. VOICE TWO: An
By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills
Chusok (fall evening) is a Korean Harvest Moon (Han-gawi) festival set on the 15th day of the eighth lunar moon. Chusok (韩国中秋节), also known as the Korean Thanksgiving or Mid-Autumn Festival, is one of the most celebrated Korean holidays. It
在这个配合大量图片的演讲中,扬恩亚瑟伯特兰Yann Arthus-Bertrand向我们展示了他最近关于人类和我们地球的3个主要项目一个是他一系列惊人的航拍的照片鸟瞰地球;第二个是在他的网页中,他