单词：earth gravity model
单词：earth gravity model 相关文章
[00:00.00]Unit 2 Heroes [00:06.38]Lesson 1 Modern Heroes [00:09.60]National Hero [00:11.53]China's first manned spaceship lifted off [00:14.08]at 9 a.m.on Wednesday, [00:15.90]October 15th,2003 in Jiuquan,Gansu province. [00:21.64]The spaceship,calle
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Broadcast: Jan 29, 2003 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we tell about a space rock that
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[00:06.58]Reading HOW LIFE BEGAN ON THE EARTH [00:11.44]After the Big Bang,the earth was just a cloud of energetic dust. [00:17.08]What it was to become was a mystery until the dust began to slowly combine [00:22.41]into a ball moving around the sun.
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[00:02.30]事实与幻想 [00:04.60]READING JULES VERNE:THE FATHER OF SCIENCE FICTION [00:07.72]阅读 儒勒-凡尔纳---科学幻想之父 [00:10.84]Jules Verne was born in 1828,in France. [00:13.62]儒勒.凡尔纳于1828年生于法国。 [00:16.
高中英语人教版高二
Moon 月球 Do you have any idea how big the moon is? 你知道月球有多大吗？ The moon's radius is 1737 kilometers. 月球的半径长1737千米。 This is just one fourth of our Earth. 它的半径仅仅是地球半径的四分之一。 The d
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This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi
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