[电] 表面声波装置

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

Broadcast: Jan 15, 2003 By Jerilyn Watson This is the VOA Special English Health Report. Many millions of people around the world suffer from problems of the small intestine. Bleeding from abnormal gr

发表于:2018-12-07 / 阅读(105) / 评论(0) 分类 VOA2003(上)-健康资讯

Thai-Style 'Rolled Ice Cream' Getting Popular in U.S. This is Whats Trending Today. The weather in the Northern Hemisphere may be getting cooler, but there is still time left to enjoy frozen desserts typical of summer. One of the most traditional war

发表于:2018-12-07 / 阅读(43) / 评论(0) 分类 2017年VOA慢速英语(九)月

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(89) / 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(129) / 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(134) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

发表于:2019-01-03 / 阅读(85) / 评论(0) 分类 2018年VOA慢速英语(九)月

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(107) / 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(106) / 评论(0) 分类 英语每日一词

EXPLORATIONS - The Story of Radio By Paul Thompson Broadcast: Wednesday, June 01, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Satellite technology can broadcast radio anywhere. And this is

发表于:2019-01-07 / 阅读(90) / 评论(0) 分类 Explorations

Technology Report - Microsoft Competes Against Apple With New Tablet 科技报道 - 微软推出Surface与苹果iPad竞争 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Microsoft has announced its

发表于:2019-01-12 / 阅读(71) / 评论(0) 分类 2012年VOA慢速英语(六)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(128) / 评论(0) 分类 2018年NPR美国国家公共电台3月

So, some of you most likely were here two years ago and saw the demo by Jeff Han, 你们当中有些人两年前在这里应该看过Jeff Han演示微软的Surface系统, or some of you may think, Well, doesn't this look like the Microsoft Surface

发表于:2019-01-18 / 阅读(48) / 评论(0) 分类 TED演讲教育篇

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(128) / 评论(0) 分类 2007年VOA标准英语(九月)

Humans have used many devices to measure time. The sundial was one of the earliest and simplest. A sundial measures the movement of the sun across the sky each day. It has a stick or other object that rises above a flat surface. The stick, blocking s

发表于:2019-01-22 / 阅读(57) / 评论(0) 分类 英语时差8,16

DEVELOPMENT REPORT - Need to Dig a Well? Start HereBy Gary Garriott Broadcast: Monday, May 15, 2006 This is Shep O'Neal with the VOA Special English Development Report. There are several low-cost ways

发表于:2019-01-30 / 阅读(84) / 评论(0) 分类 2006年慢速英语(五)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(68) / 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(84) / 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(69) / 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(183) / 评论(0) 分类 节奏布鲁斯
学英语单词
air injection diesel engine
alienicotae
apogons
arteria gyri angularis
auxiliary contactor block
base design
biotic independent factor
bromine (mono)iodide
brush-stipple shading
celioplegia
charcoal-gray
copy board
correctional screw
Dalmatian laburnum
decamethyleneglycol
direct current coupling
Double-summit
Dundgovǐ Aymag
efficiency expert
eight-foot-deep
elemi-bitter
emigration tax
enabling statute
Epulu
ergostenol
esr spectrometer
Euonymus aculeatus
exits and links between programs
exoplanet
f-pn
ferrated
Ford Madox
fork(ed) chain
forward transfer signal
framing set
frequency of vehicle current repair
frost nova
frostier
geometric constants of crystal
gippers
guide pulley
Humboldt Mountains
hydroptila lageniformis
initial test force
isoproteins
Joydeep
ketazine
ladder work
larose
list-system
lonchocarpol
magnetic elongation
mediate between
Men Only
Merrell
metaxeny
microplasma zone
multisubcultural
nanbus
nelumbinis folium
neuroglian
Ornbau
out of the saddle
oxygone
partial cash transaction
Pavino
pc133
performance pledge
phenylalanin-ammonialyase
Pollutant charge
pre-incubation
Privmsg
Proteromonadida
quarter breast line
qw-
RDF - Resource Description Framework
reflew time
release of fire-extinguishing medium
restrictory
ride roughshod over someone
ring pull
rotary inductosyn
scribed plate
sea level cosmic rays
self sealing packing
sheep rot
shot line return bag
single axle load
soaky
standard knee
sublated
suction therapy apparatus
thallium (ti)
tikker
transitional equipment
true-up
Tupp.
vain as a peacock
value determination
Varzy
voice frequency sender
wcg