声表面波换能器

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(228) / 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(158) / 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(139) / 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(170) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

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(203) / 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(219) / 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(182) / 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(186) / 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(179) / 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(144) / 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(206) / 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(143) / 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(197) / 评论(0) 分类 2007年VOA标准英语(九月)

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(156) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用

发表于:2019-02-06 / 阅读(139) / 评论(0) 分类 经济学人科技系列

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(130) / 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(147) / 评论(0) 分类 英文摇滚歌曲

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

发表于:2019-02-21 / 阅读(163) / 评论(0) 分类 2016CRI中国国际广播电台

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(129) / 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(271) / 评论(0) 分类 节奏布鲁斯
学英语单词
accumulative rain gauge
accuracy table
acetylperchlorate
adaptive control method
alms box
angular impulse
are born
back radiation
barren lands
beisner
bleeder resistor
block operation
breakpoint address
cast one's mind back
catcatcher
Catoforite
check sample
chigi
cockarouse
condition of equivalence
connall
detente
differential galactic rotation
direct-image plate
douc langur
eccles
ecumenicity
elevation
fiordalisoes
Fiskebäckskil
flybar
foetal circulation
full-color laser display
G scan
going aongside with onshore wind
good-neighborlinesses
grade flour
greville
grid blocking capacitor
grows
haenels
headspace gas chromatography
Hemburger's depot reaction
hexcellent
high-pressure center
howard-williams
huggins
ice strip
imidecyl iodine
intellectual nourishment
invariant function
language name
large aperture antenna
lighting designer
lipiferolide
lipolytic hormone
lose your marbles
maximum break
method of areas
micrographia
moll's gland cyst
naked virus
national economic budget
ngoma
nikitenko
nontort
nonvertebrate
nurdin
Ostrum-Furst syndrome
packing rubber
peronella orbicularis
persuasibility
plastic yield point
polysorbas20
primary commodities
put one's mind upon something
putty-clay
range of integration
rate book
Reindeer L.
relicensing
ring halo
rm.
RSHS
san salvadors
sheetlet
short life intermediates
Slavkov u Brna
star-sapphire
state of ground
steep taper shank
subsonic takeoff
taey
takrit
tangueite (tangeite)
tetrachloromethiazide
thematic catalog
Trabuco Canyon
Trojan horse attack
tuning-fork controlled oscillator
unit reference code
vetoism