单词：extinct nuclide
单词：extinct nuclide 相关文章
L: do you believe in UFO's? B: sure. A UFO is just a space vehicle from another planet. If you think about it, our space shuttles are UFOs. L: I've never thought about it like that before. B: I've seen photos of UFOs in America before, but they've al
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[00:00.00]1.M:It looks like it'll take us about six hours to drive from here to Chicago. [00:06.22]W:It would be more relaxing to take the train.But I guess we should watch our expenses. [00:13.98]Q:What does the woman imply? [00:17.21]2.M:This heat
英语四级听力练习集锦
By David McAlary Scientists have discovered fossils of an ancient, tiny species of human in an isolated part of Indonesia. They are bones from what they say is a smaller version of the now extinct imm
VOA2004（下）--健康科技
By George Dwyer Washington 30 May 2007 Ivory-billed woodpecker A North American bird believed to have become extinct in 1944 has apparently re-appeared. The Ivory Billed Woodpecker was rediscovered in February 2004 when it was reportedly spotted twic
2007年VOA标准英语（五月）
By Phil Mercer Sydney 21 May 2008 Australian and U.S. scientists have successfully inserted a gene from the extinct Tasmanian tiger into a mouse embryo. They say the result has been bone and cartilage from the extinct marsupial developing inside the
VOA标准英语2008年（五月）