单词：cretaceous-tertiary
单词：cretaceous-tertiary 相关文章
South Africa University Students Ponder Future At the end of last year, about 350,000 Grade 12 students in South Africa passed their final exams. While some celebrated, others pondered their next move. In reality, a very small group of those who had
VOA标准英语2012年(二月)
Science and Technology 科技 Fossil feathers 羽毛化石 Not just for the birds 并非鸟类独有 A trove of fossils sheds light on the evolution of feathers 珍贵羽毛化石的发现能够更好地阐释羽毛的进化过程 THE fossil record i
经济学人科技系列
Because the British were the most active in the early years, British names are predominant in the geological lexicon. Devonian is of course from the English county of Devon. Cambrian comes from the Roman name for Wales, while Ordovician and Silurian
万物简史
Science and technology 科学技术 Mass extinctions 大灭绝 Small but deadly 陨石很小不过危害却很致命 The biggest extinction in history was probably caused by a space rock that changed the climate 历史上规模最大的一次物种灭绝
经济学人科技系列
等外品 off-grade goods, rejects 邓小平外交思想 Deng Xiaoping's diplomatic thoughts 低调 low keyed (a metaphor for taking a cautious and slow approach) 第三产业 third/tertiary industry,
考研英语
They keep a Whale's Rib of an incredible length for a Miracle, 庙里把一根长得叫人不能置信的肋骨保存在那里， which lying upon the Ground with its convex part uppermost, makes an Arch, the Head of which cannot be reached by a Man
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