单词：prominence of the sunspot type
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Lesson 38 Text A Can't She Type? The well-known banker, T. J. Ellington, was at one time in his younger days the manager of a New York office. His secretary had been with him for many years, and knew
发表于:2018-12-02 / 阅读(142) / 评论(0)
初级口语教程
初级口语教程
Sunspots 太阳黑子 Is every part of the sun equally hot? 太阳的各个部分都一样热吗？ No, they aren't. Some parts are colder than other parts. 不是的。有些地方比其他地方冷。 How do we know that fact? 我们是如何知道这
发表于:2019-01-10 / 阅读(69) / 评论(0)
与美国小学生一起学英文第10册
与美国小学生一起学英文第10册
By David McAlary Washington 07 March 2006 NCAR scientists Mausumi Dikpati (left), Peter Gilman, and Giuliana de Toma examine results from a new computer model of solar dynamics Researchers predict tha
发表于:2019-02-04 / 阅读(65) / 评论(0)
2006年VOA标准英语（三月）
2006年VOA标准英语（三月）