单词：ionic velocities
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In January 2000, John Dubinski set out to calculate the final fate of our galaxy, the Milky Way, and that of our nearest neighbor, Andromeda. The Andromeda galaxy is actually falling towards the Milky
超大质量黑洞
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单词解析速记
Beginners. Black, red, green, light blue, silver, orange, swords, lazers, helmets, shields, flying machines, underwater vehicles. The list could go on. What do these words refer to? Bionicles. They are a type of lego. You can buy them in boxes to put
英语博客 A cup of English
Batman vs. Superman. Captain America vs. Iron Man. This year, this year's cinema is packed with several superhero showdowns. 蝙蝠侠和超人，美国队长和钢铁侠。今年的影院充斥着好几位超级英雄的雌雄对决。 Which superhe
阅读空间
Chicxulub is buried under two to three kilometers of limestone and mostly offshore, 奇克休留布大坑在两三公里的灰岩深处，而且大部分在近海。 which makes it difficult to study, Anderson went on, while Manson is really quite ac
万物简史