单词：frontiers
n an international boundary or the area (often fortified) immediately inside the boundary
n an undeveloped field of study; a topic inviting research and development
单词：frontiers 相关文章
今天我们要学的词是 repercussion. Repercussion 是指影响，反响，恶果。Many immigrants in the U.S. see this midterm election as different because a change in control in congress would have huge repercussions for immigrant communities
英语单词荟萃
American Universities offer Scholarship for Engineering Students 美国大学为工程学生提供奖学金 From VOA Learning English, this is the Education Report. 这里是美国之音慢速英语教育报道。 American colleges and universities h
2014年VOA慢速英语(三)月
[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
北师大版高中英语模块7(选修)
AS IT IS 2014-04-27 New Opportunities Open for Foreign Engineering Students 欧林学院为国外工程系的学生开创新的机会 Hello again, and welcome to As It Is. Im Jonathan Evans in Washington. Today on the program, we tell you how one tal
2014年VOA慢速英语(四)月
Bill and I talk about this with our own kids around the dinner table. 我和比尔在餐桌上同我们自己的孩子们讨论过这个问题 Bill worked incredibly hard 比尔工作无比努力 and he took risks and he made sacrifices for success. 他
公众人物毕业演讲
By Mil Arcega Washington 29 April 2008 Hundreds of truckers gathered in Washington DC on April 28 to protest the high cost of fuel. The truckers say Washington lawmakers have been far too silent on an issue that has grave repercussions for the U.S. e
VOA常速英语2008年（四月）
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
经典英语爱情歌曲
By Stefan Bos Ukraine Border 21 December 2007 Celebrations are being held across Eastern Europe as the European Union on Friday formally lifted border checks with nine of its newest member states, most of them former Communist countries. But despite
VOA常速英语2007年（十二月）
[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
北师大版高中英语模块7(选修)
[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
北师大版高中英语模块7(选修)
[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
北师大版高中英语模块7(选修)
Some Trees Beat Heat with Sweat Heres a short piece from the May 2018 issue of the magazine, in the section we call Advances: Dispatches from the Frontiers of Science, Technology and Medicine: 这是该杂志2018年5月号的一篇短文，我们称之
2018年科学美国人5月
Every year on the beautiful Lindau island of Lake Constance, some of the best of the worlds young scientists meet Nobel Prize winners. As it turned out, this meeting of physicists was a true meeting of minds. And so native created five new films expl
自然百科2010年
The emperors who succeeded him spent even more time at the frontiers and even less in Rome. 以后的皇帝们更频繁地逗留在边境，更少地呆在罗马。 They were true soldiers, elected by their troops and often dismissed or even killed b
世界小史
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,
经济学人科技系列