单词：polarization-preserving fiber
单词：polarization-preserving fiber 相关文章
Oh ,let me think for a moment . [00:03.79]噢，让我想一会儿。 [00:07.58]I haven't a clue ,I 'm afraid. [00:12.15]我没有线索，很抱歉。 [00:16.72]I'm not really sure ,sorry . [00:20.87]我真说不准。对不起。 [00:25.03]I'm terr
零距离李阳疯狂英语口语
The U.S. Embassy in Phnom Penh announced this month that the Cultural Heritage Center for the Bureau of Educational and Cultural Affairs (ECA) of the U.S. Department of State has awarded $350,000 from the Ambassadors Fund for Cultural Preservation to
VOA标准英语2018年(一月)
We're in and ready to go. It looks like a vehicle(车辆) out of the Jetsons cross with the Flintstones. It's very comfortable. I, I, er, tell people it's like riding in your long chair. Running smoothly like a mini-electric car fueled by pedal（踏板）
英语讨论
Fakeation is the unusual practice of staying at home but tellingeveryone you're away. 假装度假指明明待在家里，却告诉别人你出去玩了。 Some take a selfie that looks like theyre on holiday and post iton social media, some go so fa
英文语法词汇
Your nose may be the first place you think of as a source of mucus. But mucus is a major player in your gut, too. There's antimicrobial peptides and proteins that are present in there. Bacteria live in there and forage on the carbohydrates. And it's
2016年Scientific American(十一)月
This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You know what fiber's good forto keep things moving smoothly downstairs. But it's not just for staying regular. Fiber can boost the number of beneficial bacter
Scientific American(六)月
4. At the end of adolescence, however, the brain shuts down half of that capacity, preserving only those modes of thoughts that have seemed most valuable during the first decade or so of life. 【分析】复合句。句子主干为 the brain shuts d
考研英语长难句讲解
Washington, D.C. has a complex relationship with graffiti and street art. Local street artist Gobi knows this well. Not long ago, a police officer caught him spraying colorful paint on the side of a building. Gobi did not get permission to put his de
2017年VOA慢速英语(七)月
Sometimes simple changes can bring about big results. When it comes to losing weight, more often than not, it's all about numbers. 有时简单的转变会带来大大的收获，每当说到减肥这个话题时，往往讲究的都是些数字。 I
实用英语
By Melinda Smith Washington 18 July 2007 We are going to find out about two studies on breast cancer. One studied whether a diet very high in fiber and low in fat could reduce the risk of recurring breast cancer. Another study focused on women with a
2007年VOA标准英语（七月）
RACHEL MARTIN, HOST: The Food and Drug Administration is set to decide soon on a matter that could help you rethink fiber. Yeah, we're talking about fiber. We're told to eat a whole lot more of it. It's good for us, right? But what exactly counts as
2017年NPR美国国家公共电台10月
科学家发现宇宙膨胀的证据 WASHINGTON, March 17 (Xinhua) -- U.S. astronomers announced Monday they have captured the first images of gravitational waves, or ripples in space-time described as the first tremors of the Big Bang in which the u
英语新闻
The biggest cities in China are pressure cookers for youth starting out on their careers. 对于那些打算在自己职业生涯大展拳脚的年轻人而言，中国一线城市就好比是 高压锅。 Here are some tips on what to expect if you
实用英语
BUDAPEST, Jan. 6 (Xinhua) -- Hungary officially took over the presidency of the European Union (EU) at a ceremony（典礼） in the parliament building on Thursday evening, attended by EU and Hungarian dignitaries. Belgian Prime Minister Yves Leterm
英语新闻
The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar
英语听力文摘 English Digest
QINGDAO, Shandong, Dec. 26 (Xinhua) -- China's largest rail vehicle maker, CSR Corp. Ltd, over the weekend launched its first test train that features speeds reaching up to 500 km per hour. The six-car train with a fairshaped head is the newest in th
英语新闻
[00:02.48]Ok... 好了 [00:03.96]The X10's are online 这台X10已经连上网了 [00:06.44]Gentlemen, I am now about to send a signal from this laptop through our local ISP 先生们 接下来我要从这台笔记本发出信号 通过本地ISP [00:
听电影学英语-生活大爆炸