科学美国人60秒 SSS Windows Vex Bats' Echolocating Abilities

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

《神奇树屋》 第三十九册 Dark Day In the Deep Sea 07 help

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

老友记 第一季第十七集英文歌：What's the Frequency, Kenneth

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

VOA慢速英语2011--A Closer Look at High-Frequency Trading

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

第41期: long, wave, copy, mail, information

说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

电信专业英英词典F-2

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

电信专业英英词典F-4

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

学个词Learn a Word 第1023期 Heat wave

今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

每日一词【1023】heat wave：热浪，高温天气

今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

尖叫声在大脑中会有特殊的位置

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

VOA标准英语2008年-President Bush Signs Anti-Genetic Discriminatio

By Deborah Block Washington 22 May 2008 President Bushsigned a new anti-genetic discrimination bill on May 22.He says the act protects Americans against misuse of their genetic information by employers and insurance companies. The U.S. House of Repre

VOA常速英语2014--High Frequency Traders Under Scrutiny 美司法部调查高频交易

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

美国国家公共电台 NPR The Wave Of Female Candidates Is Set For A Wave Of Losses, Come November

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

2007年VOA标准英语-Ocean's Music Presented by San Fransisco Audio

By Liu Enming San Francisco, California 04 September 2007 Pipe picks up sounds created by waves At the tip of a tiny peninsula near San Francisco, California's Golden Gate Bridge stands the Wave Organ, a work of art that allows people to listen to mu

中国布局引力波探测

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

二十个表达频率的词组

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率，以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

科学美国人60秒 SSS 蝙蝠回声定位

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

英文小说：Passenger - The Way It Goes (Acoustic)

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

2016年CRI China's Unveils ＂Taiji＂ Gravitational Wave Plan

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

【英语时差8,16】海浪的形成原理

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro