单词：the frontiers of sth
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[00:02.70]Unit 20 New Frontiers [00:06.15]Lesson 3 Scientific Breakthroughs [00:10.11]PIONEERS OF SCIENCE [00:12.16]In the summer of 1905, [00:14.40]a young man was sitting at home [00:15.97]after a day's work. [00:18.04]While rocking his one-year-ol
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Faithfully是著名美国摇滚乐队Journey的一首流行音乐，出自他们的第九张专辑《Frontiers》，在Billboard Hot 100上最高排名12位。 Highway run Into the midnight sun Wheels go round and round You're on my mind Restless hea
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[00:03.13]Unit 20 New Frontiers Lesson 1 Futurology [00:10.14]Hannah Jones looks into the future [00:13.26]of futurology.I love talking about the future- [00:17.11]and I am not the only one.Over the centuries, [00:20.21]people have always wondered ab
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[00:01.56]Gunpowder [00:03.47]Gunpowder was invented by the Chinese [00:05.73]in the eighth century AD. [00:08.28]Early Chinese scientists discovered [00:10.64]that they could make an explosive substance [00:12.76]by mixing sulphur,charcoal and saltp
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[00:02.17]Unit 20 New Frontiers Culture Corner [00:06.79]Ancient Chinese Inventions [00:09.71]Paper making [00:11.18]The ancient Chinese invented [00:13.43]and were using paper about 2000 years ago. [00:17.36]Early paper in China was made [00:19.20]f
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Science and technology 科学技术 Academic publishing 学术出版 Free-for-all 自由竞争 Open-access scientific publishing is gaining ground 科学出版的开放存取已逐渐被人们所接受 AT THE beginning of April, Research Councils UK,
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