音标:['sækәrɔn] ;
糖酮, 甲基糖二酸内酯

This is Scientific Americans 60-Second Science. Im John Matson, Got a minute? Imagine a pinball machine on multi-ball modeonly the balls are the size of planets. The early solar system was such a rough-and-tumble place. That chaotic environment produ

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 Scientific American(二)月

By Patricia Nunan in Kantale, Sri Lanka 24 August 2006 As many as 170,000 people in northern and eastern Sri Lanka have been displaced in recent weeks by fighting between the Tamil Tiger rebels and government forces. VOA's Patricia Nunan recently me

发表于:2019-01-13 / 阅读(284) / 评论(0) 分类 2006年VOA标准英语(八月)

By Jessica Berman Washington 22 February 2006 U.S. astronomers have discovered two moons orbiting Pluto, an icy planet smaller than our moon. Scientists found the moons while surveying the sky as part

发表于:2019-01-13 / 阅读(275) / 评论(0) 分类 2006年VOA标准英语(二月)

What I sacrificed Being in your life I'm walking blind One step behind Torn apart I'm all worn out Afraid to play The game portrayed Hard to maintain Hard to sustain I tried so hard I gave my soul But in return, left me all alone What I sacrificed Be

发表于:2019-01-14 / 阅读(200) / 评论(0) 分类 节奏布鲁斯

今天我们要学的词是transaction。 Transaction, 交易。 The value and number of transactions in media industry mergers and acquisitions soared in 2010, 2010年传媒产业合并和收购交易的数量和交易总额都大幅攀升。 Facebo

发表于:2019-02-06 / 阅读(226) / 评论(0) 分类 英语单词荟萃

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