平面声波

Passage 20 Waves How does light get from the sun to the earth? How does music get from the stage to the audience? They move the same way in waves! Light and sound are forms of energy. All waves carry energy, but they may carry it differently. Light

发表于:2018-11-30 / 阅读(274) / 评论(0) 分类 英语专业四级听写

EXPLORATIONS - The X- 15 Rocketplane By Marilyn Christiano Broadcast: Wednesday, February 18, 2004 (THEME) ANNCR: Explorations -- a program in Special English by the Voice of America. (THEME) The X-15

发表于:2018-12-01 / 阅读(300) / 评论(0) 分类 Explorations

EXPLORATIONS - High and Fast: the X-15 Reached the Edge of Space EXPLORATIONS -- a program in Special English by the Voice of America. Today, Doug Johnson and Frank Oliver tell about the first airplane that flew out of the Earth's atmosphere. It was

发表于:2018-12-16 / 阅读(168) / 评论(0) 分类 2012年VOA慢速英语(十)月

The air thins and they begin to lose the protective weight of the miles of air above them. The pressure is dropping, when you finally get to the stratosphere, and to the altitude we like to work at, it's only one one hundredth that of it's on the gro

发表于:2018-12-27 / 阅读(199) / 评论(0) 分类 探索与发现2014年

SCOTT SIMON, HOST: And because summer is here, many people will soon be taking a vacation. We hope yours will be everything that you want it to be. But what if it doesn't turn out so well? At least, what happens when travel dreams become travel night

发表于:2018-12-28 / 阅读(208) / 评论(0) 分类 英语语言学习

Task 3: $10 is $10 One day,an old man named Stumpy and his wife Martha went to the Illinois State Aviation Fair A man was selling plane tides for$10 per person.Stumpy was fascinated and said to,Martha,I think we really should try that.Marth

发表于:2018-12-29 / 阅读(237) / 评论(0) 分类 新视野大学英语:视听说教程 3

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(268) / 评论(0) 分类 每日攻克5词

Why Is It So Difficult To Spot A Plane In The Air? How many times have you heard a jet plane going over, looked up to see it, but not been able to find it even though you were looking toward where the sound was coming from? Well, this moment of scien

发表于:2018-12-31 / 阅读(139) / 评论(0) 分类 英语听力文摘 English Digest

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(245) / 评论(0) 分类 英语每日一词

(SOUNDBITE OF VALERIE JUNE SONG, JUST IN TIME) SCOTT SIMON, HOST: The passage of time weaves through Valerie June's new album, The Order Of Time. (SOUNDBITE OF SONG, JUST IN TIME) VALERIE JUNE: (Singing) Take my breath away and you put me down, teach

发表于:2019-01-16 / 阅读(146) / 评论(0) 分类 2017年NPR美国国家公共电台3月

LINDA WERTHEIMER, HOST: The view now from another tourist destination has been transformed. The French region of Brittany, the prospect of Britain exiting the European Union has sent a wave of British citizens there in search of, not just a holiday,

发表于:2019-01-16 / 阅读(206) / 评论(0) 分类 2017年NPR美国国家公共电台9月

AILSA CHANG, HOST: Two roommates from Massachusetts recently set out to solve the mystery of a plane crash that took place in South America more than 30 years ago. As Craig LeMoult of member station WGBH reports, they found a grim reminder of the tra

发表于:2019-01-16 / 阅读(157) / 评论(0) 分类 2016年NPR美国国家公共电台12月

This is scientific American ,60 second science. Im Chris D..ta. Got a minute? In less you have a pair of noise-cancel headphones. Flying can be annoying to the ears. A lot of low-pitch rumbling makes it into the cabin. The problem is ,the wings ,floo

发表于:2019-01-20 / 阅读(248) / 评论(0) 分类 2015年Scientific American(五)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(285) / 评论(0) 分类 2007年VOA标准英语(九月)

By Paul Sisco Washington 12 October 2007 American test pilot Chuck Yeager flew a plane through the sound barrier on October 14th, 1947. VOA's Paul Sisco takes a look back at the famous feat and the man who first flew at Mach 1. Some say only the Wrig

发表于:2019-02-03 / 阅读(173) / 评论(0) 分类 2007年VOA常速英语(十月)

A small plane crashed into a house Sunday afternoon, killing the pilot and destroying half of the home. The family inside the house escaped without injury. The single-engine airplane crashed about 5:30 p.m. The pilot, the only one in the plane, was t

发表于:2019-02-04 / 阅读(288) / 评论(0) 分类 365个英语简短小故事

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台

发表于:2019-02-05 / 阅读(162) / 评论(0) 分类 英文语法词汇

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台 aerial 天线 indoor aerial 室内天线 network 广播网,电视广播网 wave length

发表于:2019-02-09 / 阅读(194) / 评论(0) 分类 英文语法词汇

Google's DeepMind have revealed a new speech synthesis generator that will be used to help computer voices, like Siri and Cortana, sound more human. 谷歌旗下的人工智能公司DeepMind近日研制出了一种新型语音合成系统, 该技术可

发表于:2019-02-18 / 阅读(179) / 评论(0) 分类 英语新闻

CHARLES (CHUCK) YEAGER ALSO LOVED FLYING. DURING WORLD WAR II HE WAS A DARING PILOT WHO SHOT DOWN ENEMY PLANES. AFTER THE END OF THE WAR IN 1945, HE WORKED TESTING EXPERIMENTAL PLANES. SCIENTISTS AND ENGINEERS WANTED TO DESIGN A PLANE THAT COULD GO F

发表于:2019-02-21 / 阅读(174) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
acetarsone
acoustooptical deflection device
acute perivascular myelinoclasis
admiralty cause
alter course to port
annular hydraulic jump
API (application programming interface)
asbestos-reinforced plastics
Atlasova, Ostrov
auto-eating
ballplayerr
blood flowmeter
boat bed
bootman
bumbleberry
Carmanville
carrier pigeons
carving knives
cassette memory
charity box
chemical protector
compsodrillia mammillata
copper gluconate
county brownies
creep ductility
cystelcosis
daily service fuel oil pump
deaerated concrete
detached anticline
dicotyledonous tree
didenhydroretinol
DJM
dostoevskies
double-bus scheme
drum machines
duka
dynamic action between wheel and rail
economic pressures
energicstage
erection department
ethylamine urate
Everdur
exhaust elbow
felt wringer
Fermi golden rule
firingpin
foyt
gasp at
glans clitoridis
glycogelatin
go for the throat
Gregory Powder
half-duplex current
hydraulic efficiency steering gear
hyperbolic magnetic axis
hyperexcitabilities
ideal discrete-to-continuous-time (d/c) conversion
Jammu and Kashmir
japanese oaks
lilpochondrodystrophy
lithium bis(trimethylsilyl)amide
locating lug
lunar origin
mannakin
Marbury v Madison
Melusinidae
Mercuresein
muscle insertion
nerdism
non-english-speaking
odp
piltocks
pinetree array
playinger
punditical
quadrature phase
quality loss
reduced cocycle matrix
restlessness
scorched rubber
sea mollusc
self-righter
simulium (simulium) shirakii
slipping out
spending
steady state reactor
superficial radiotherapy
Tahyeon-ji
technical rehearsal
tetraphenylguanidine
timebases
Torteval
track center
transportation resources
TSCO
Tuz Gölü
undernutritious
underwater sightseein boat
ureterojejunal cutaneous diversion
veranthridine
vins blancs
Yi Jing