单词：low-loss silica fiber
单词：low-loss silica 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
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
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
Plant Self-defense Plants may appear to be helpless in the face of hungry,toothy animals but many plants have evolved interesting systems of self-defense. Coarse meadow grasses are a good example. If you run your finger along a blade of coarse grass,
英语听力文摘 English Digest
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, DC 24 January 2007 watch Diet report Trying to lose weight can be challenging and confusing, because there are so many different diet plans competing for attention. Low fat, or low carbohydrates, or high fiber? It's hard
2007年VOA标准英语（一月）
TORONTO, Dec. 13 (Xinhua) -- The Toronto Raptors' bench scored a season-low seven points in a 107-96 loss to the Milwaukee Bucks in NBA action on Sunday afternoon. Coming into the game, the Toronto reserves were ranked eighth in the league, averaging
英语新闻
AS IT IS 2015-07-14 Silica Sand Mining Worries Communities 美国硅砂矿引发社区担忧 The United States is increasing production of oil and natural gas through a process known as fracking. This process is sometimes called hydraulic fracking be
2015年VOA慢速英语(七)月
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
AILSA CHANG, HOST: Despite mounting evidence and a stream of dire warnings, federal regulators and mining companies failed to protect coal miners from toxic dust. MARY LOUISE KELLY, HOST: NPR and the PBS series Frontline spent more than a year lookin
2018年NPR美国国家公共电台12月
以下段落是摘自新闻里的一些重要信息,并不是一个段落的听写。空内信息可在本新闻中全部找到,大家可以根据这些信息复述新闻。 一、泛听建议： 1、完整听一遍，掌握大意。 2、继续听，特
NPR边听边练
Here are 7 health problems from eating too many almonds! 以下是吃太多杏仁会导致的7种健康问题！ 1.Kidney Stones 肾结石 Certain diets and foods can make people more prone to kidney stones, especially diets high in oxalates. This is
英语美文
我们在工作中时常会碰到一些特殊情况，诸如上班迟到，工作出错以及有事需要请假。在外企上班的你如何从容轻松地面对这些问题？希望以下的对话和实用句型能够对你有所帮助。 Late for
实用英语
Top 15 Diet Hacks Youve read and enjoyed the Top 20 Motivation Hacks and Top 10 Productivity Hacks and now you want hacks to eat healthier and to get a flat tummy. Well, Zen Habits has never been one to hold back on you, so at reader request, here ar
阅读空间
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