声表面波传感器

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(127) / 评论(0) 分类 疯狂英语2002年

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(82) / 评论(0) 分类 2017年Scientific American(九)月

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

发表于:2018-12-06 / 阅读(51) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

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(85) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(十二)月

When the first shots were fired at JFK's murder case,police couldn't immediately locate the gunman based on the sound alone. Today, the technology exists for them to do it with their smart phones,less than a second after the first shot. Here's how, m

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 Scientific American(四)月

One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 2017年Scientific American(二)月

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(120) / 评论(0) 分类 每日攻克5词

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

发表于:2018-12-31 / 阅读(126) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

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(97) / 评论(0) 分类 cctv9英语新闻2015年

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(100) / 评论(0) 分类 英语单词荟萃

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(102) / 评论(0) 分类 英语每日一词

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(75) / 评论(0) 分类 VOA标准英语2010年(十二)月

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(119) / 评论(0) 分类 2018年NPR美国国家公共电台3月

LOURDES GARCIA-NAVARRO, HOST: If you're familiar with the band Disturbed, you're probably used to hearing them sound like this. (SOUNDBITE OF DISTURBED SONG, INSIDE THE FIRE) GARCIA-NAVARRO: But last year, the band softened its sound when they covere

发表于:2019-01-16 / 阅读(68) / 评论(0) 分类 2017年NPR美国国家公共电台1月

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(123) / 评论(0) 分类 2007年VOA标准英语(九月)

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(53) / 评论(0) 分类 2018年科学美国人1月

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(77) / 评论(0) 分类 英文摇滚歌曲

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(64) / 评论(0) 分类 英语时差8,16

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(173) / 评论(0) 分类 节奏布鲁斯
学英语单词
Abdul-Medjid, Abdul-Mejid,Abdulmecid
all-wool
ammonia amalgam
andru
apocrustic
badaracco
balette
Barkese
blind-copy recipient
bugen
c-juns
check the performance
cold-extruded
conjugon
conveyor belt
coupler brace
d'abramo
digital time dissemination
direct disturbance
director of compass department
discharge equation
downward social comparison
Dryomyzidae
Duvalierville
field glasses
film water
flowers of flax plant
Forward interest rate
full opened corner joint
Gadolinium-DTPA
genus Erianthus
geometric aberration
Guthrie County
Hamjong
handcuffing
haselden
hash coding scheme
heartfuls
high calcium lime
high statuss
hot configuration
infirmatory
insertion (point of insertion)
Jasminum floridum
jfit
Kasacks
kinhin
knifeedged
Kodiak National Wildlife Refuge
lanoue
lathe grinding
lemon extracts
Lord of Hosts
lumped mass
majerle
meetcha
metabolic hormone
Natufian culture
Nokhar
norelgestromin
noseprinted
orderly partnership
overlap grid sweeping
photogalvanic
piping crow
platyrrhinis
plensa
plug in discharge tube
pre-implantation
predivine
quasi-geostrophic potential vorticity equation
Ratibida columnifera
replendish
retinal hole
reveal to
Roasted Duck
rolling-press
sand eliminator
Serbo-Croatian language
sharp-cornered well
ship-fitter
situation analyzer
skinnery
spicatum
spiracular opening
spleno-
strattons
subspheres
technical pens
thread like surface flaws
Thymopeptide
toboggans
transition probability system
typical
user-level
vertical plane of projection
wavelength division multiplexing
Weil conjecture
welded structural shape
wire-haired fox terrier
Yangiobod