[电] 表面声波滤波器

E-Education: Wave of the Future or Passing Trend?

1) Entrepreneurs are spending millions to create for-profit universities of the Internet, and the smart money is betting that by the time your middle schoolers go off to college, they may not really g

发表于:2018-11-28 / 阅读(242) / 评论(0)

疯狂英语2002年

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

发表于:2018-12-02 / 阅读(170) / 评论(0)

2017年Scientific American(九)月

掌握英语发音第一章第三节

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(257) / 评论(0)

掌握英语发音

安妮鲜花推荐美国儿童歌曲 A Day at the Beach 03 Catch A Wave

Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresittin Ontopoft

发表于:2018-12-06 / 阅读(152) / 评论(0)

美国 Kidsongs 英语儿童歌曲

《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

发表于:2018-12-10 / 阅读(185) / 评论(0)

汪培珽儿童英文分级书单《神奇树屋》

365个英语简短小故事-335. The Vacuum Cleaner Filter(2)

But the HEPA filter for Olivers Vibe got dirty very quickly. And, it was not cleanableit was simply replaceable. When it turned filthy brown, Oliver went back to Target to buy a new filter. Oddly, Target sold the F15 belt for the Vibe, but not the fi

发表于:2018-12-11 / 阅读(177) / 评论(0)

365个英语简短小故事

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

发表于:2018-12-30 / 阅读(215) / 评论(0)

每日攻克5词

安妮鲜花推荐美国儿童歌曲 Let's Play Ball 08 Catch A Wave

CatchAWave Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresitt

发表于:2018-12-31 / 阅读(232) / 评论(0)

美国 Kidsongs 英语儿童歌曲

Indian Scientists Invent Nose Filter to Protect Against Air Pollution

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(169) / 评论(0)

2018年VOA慢速英语(一)月

CCTV9英语新闻：Cold wave hits china

China's weather observatory has issued a blue alert for a cold wave in the coming two days that will sweep central and east China. The National Meteorological Center forecasts sharp temperature drops of up to 10 degrees Celsius and heavy wind to Inne

发表于:2019-01-05 / 阅读(195) / 评论(0)

cctv9英语新闻2015年

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

发表于:2019-01-07 / 阅读(195) / 评论(0)

英语单词荟萃

每日一词【1023】heat wave：热浪，高温天气

发表于:2019-01-07 / 阅读(192) / 评论(0)

英语每日一词

VOA英语2010年-Chris Hillman Herb Pedersen Get Nostalgic on

Chris Hillman Edward Pederson's At Edwards BarnChris Hillman and Herb Pedersen had bluegrass in common when they met as teenagers in Los Angeles back in the early '60s, but the two didn't make much music together until years later. Hillman first came

发表于:2019-01-13 / 阅读(151) / 评论(0)

VOA标准英语2010年(十二)月

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

发表于:2019-01-16 / 阅读(214) / 评论(0)

2018年NPR美国国家公共电台3月

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

发表于:2019-01-20 / 阅读(220) / 评论(0)

2007年VOA标准英语（九月）

2007年VOA标准英语-Water Filter Wins Developer Engineering Prize

By Tabinda Naeem Washington, D.C. 21 May 2007 Two years ago, the National Academy of Engineering established the Grainger Challenge Prize for Sustainability. This $1 million award was designed to challenge the world's scientists to develop a practica

发表于:2019-02-03 / 阅读(214) / 评论(0)

2007年VOA标准英语（五月）

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

发表于:2019-02-14 / 阅读(140) / 评论(0)

2018年科学美国人1月

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

发表于:2019-02-18 / 阅读(154) / 评论(0)

英文摇滚歌曲

【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

发表于:2019-02-23 / 阅读(137) / 评论(0)

英语时差8，16

节奏布鲁斯:Jordan Knight - Like A Wave

Sunrise... sunset One day I just can't forget. I follow you... you follow me We left footprints on the beach... You're so wrong... you're so right I can see us bathing in the moonlight Can you... can you... see... see it... see it too? (This is what

发表于:2019-03-04 / 阅读(287) / 评论(0)

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