un. 多谐波电流

SSS 2008-11-28

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you paid attention during high school biology, you probably remember that girls are born with all the eggs theyll ever have, whereas guys are churning

发表于:2018-12-24 / 阅读(363) / 评论(0)

Scientific American(十一)月

SSS 2010-05-20

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Why do some chords sound sweet but others make you wince? Well it appears our earsor at least the ears of 250 Minnesota undergradsprefer chords containing harm

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Scientific American(五)月

SSS 2009-08-25

A big clue about whats behind the disappearing honeybees, also known as colony collapse disorder, or CCD: May Berenbaums team at the University of Illinois at UrbanaChampaign found that bees ribosomes were torn up. The ribosomes make the proteins tha

发表于:2018-12-24 / 阅读(409) / 评论(0)

Scientific American(八)月

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I love the news and current events. Im addicted to whats happening in the world. It doesnt matter what kind of news it is, I love watching it. Even if its from countries Ive never heard of. Ill even watch the same news programme three or four times a

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纯正英语一分钟

趣味青春英语第116期:Nose in the air

Idiom: Nose in the air形容人自大，傲慢 Hit the book: Undercover Confiscate Enclosure Visible Multiple Cub Notorious Lameness

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趣味青春英语

英语小达人 161 An Old Joke

An Old Joke 老笑话 An elderly man went to a doctor with multiple complaints. 一个上了年纪的人带着港币病痛去看医生。 I see spots before my eyes, he said. 我眼前老是看到些斑斑点点的。他说。 It's due to old age, sa

发表于:2018-12-31 / 阅读(1303) / 评论(0)

英语小达人

优美音乐来自和谐的数学组合(有声)

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(387) / 评论(0)

60秒科学

电信英语及其缩略语解释-9

CDF Combined Distribution Frame 组合配线架 CDG CDMA（Code Division Multiple Access） Development Group CDMA（码分多址）开发小组 CD-I Compact Disk-Interactive 交互式光盘 CDMA Code

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电信英语

CNN 2009-11-15

It's certainly apparent to everyone whether you are a citizen of Japan or you reside in China that the emerging superpower here in Asia is absolutely China. And so..that given of the reason why weve heard Prime Minister Hatoyama mentioned multiple ti

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cnn2009年(十一)月

CNN 2010-05-16

Vicious weather in the southern plains. Two deadly tornadoes swirling in unison in southern Oklahoma. All of it caught on tape. There comes one right there. Look at them. They are all over. As you can hear, storm chasers were only reporters because i

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CNN2010年(五)月

电信术语(3)

序号中文英文术语解释缩写来源 41 OADM公共控制信道 ODAM Common Control Channel OCCCH 42 正交信道噪声仿真器 Orthogonal Channel Noise Simulator OCNS 43 操作员确定闭

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电信英语

10种方式给自己更多动力

Do you need some motivation today? Maybe a gentle nudge towards action? Or perhaps a swift kick to get you moving? 今天，你是不是需要一些动力呢？或许是促进你行动的轻巧一推？或是让你马上行动起来的猛然一击？

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励志英语

VOA慢速英语2016 叙利亚饥民将获得联合国援助的食物

AS IT IS 2016-01-12 Starving Syrians to Receive UN Aid, Food 叙利亚饥民将获得联合国援助的食物 Fighting in Syria was paused to allow United Nations aid and food to reach the towns of Madaya, Foua and Kefraya. 在叙利亚的战斗暂时停

发表于:2019-01-12 / 阅读(457) / 评论(0)

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VOA标准英语10月-British Researchers Make Major Multiple Sclerosis

British scientists have found a drug used to fight leukemia that appears to stop multiple sclerosis in its early stages and restore lost function to patients. Although still in the clinical trial phase, it is being called by some, the most promising

发表于:2019-01-13 / 阅读(449) / 评论(0)

VOA标准英语2008年（十月）

2012年手机将实现无线充电

日本富士通实验室的研究人员开发了一种无线充电系统，可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电，无需使用电缆。该系统最早可于2012年正式推出使用。该系统被

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阅读空间

VOA常速英语2008年-India Launches Multiple Satellites Into Space

By Anjana Pasricha New Delhi 28 April 2008 India has launched a record number of satellites into space in a single mission. The launch marks a milestone for the country's space program. Anjana Pasricha reports from New Delhi, India wants to emerge as

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VOA常速英语2008年（四月）

VOA标准英语2010年-Catherine Russell Releases Blues Influ

Vocalist Catherine Russell is always searching for that next great melody. She's found more than a dozen of them to sing on her latest album, Inside This Heart Of Mine. Catherine Russell is a perfectionist when it comes to choosing her material. Her

发表于:2019-02-06 / 阅读(400) / 评论(0)

VOA标准英语2010年(六)月

身兼多职有何不妥？只是这些好处你不知道

It's not about career planning or career transition; its about how you define career? How you synergize your career, hobbies and dreams in a long run? And making all relevant subtle changes for a more satisfying life. 这与职业规划或职业过渡没

发表于:2019-02-18 / 阅读(430) / 评论(0)

阅读空间

咱们裸熊第86期:摆脱环保袋

Oh, that's so interesting. 噢，太有趣了。 Oh, panda. - I mean, that's a silly question. 熊猫。- 我是说，这真是个蠢问题。 Let me ask you this then. 那我问问你这个。 Ugh, what is he doing? 呃，他在干什么？ Tote lif

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咱们裸熊

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选课场景的相关题目一般会出现在Section3部分。主要以Multiple choice item 、two multiple choice item 和 summary completion的题型出现，通常会是一段对话。下面列举一些选课场景会涉及到的相关词汇： b

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