声速垂直分布

A: I need to get my high speed internet installed. B: You'll need to make an appointment. A: Could I do that right now, please? B: What day would you like us to do the installation? A: Is Friday good? B: We're only available at 3:00 pm. A: You can't

发表于:2018-11-30 / 阅读(180) / 评论(0) 分类 英语情景对话-日常生活

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(194) / 评论(0) 分类 Explorations

Semiconductors, or microchips, have been changing the way the world works for the past half-century. The technology has made radios, televisions and mobile devices commonplace. In advancing the technology, researchers are now focusing on superconduct

发表于:2018-12-02 / 阅读(156) / 评论(0) 分类 2017CRI中国国际广播电台

Following a High-Profile Court Case Danny: Have you been following the Schirru case? Carol: Yeah, I have. I think hes guilty. Danny: Youre kidding, right? Hes innocent and this is a show trial. The district attorney is conducting a witch-hunt for his

发表于:2018-12-03 / 阅读(177) / 评论(0) 分类 2014年ESL之日常生活

Deborah Tate U.S. Senator John Kerry of Massachusetts is one of eight Democrats hoping to deny President Bush a second term in the White House next November. Correspondent Deborah Tate has a profile o

发表于:2018-12-08 / 阅读(130) / 评论(0) 分类 VOA2004(上)--美国大选

Dan Robinson Of the eight people seeking the 2004 Democratic nomination for president, four currently serve in Congress - two in the Senate, and two in the House of Representatives. One of them is Den

发表于:2018-12-08 / 阅读(150) / 评论(0) 分类 VOA2004(上)--美国大选

Kerry Sheridan The Reverend Al Sharpton became the only African-American presidential candidate seeking the Democratic presidential nomination in 2004 when Carol Mosely-Braun withdrew from the race Ja

发表于:2018-12-08 / 阅读(140) / 评论(0) 分类 VOA2004(上)--美国大选

Lesson 56:Faster than sound! 比声音还快! First listen and then answer the question. 听录音,然后回答以下问题。 How fast did the winning car go? Once a year, a race is held for old cars. A lot of cars entered for this race last year

发表于:2018-12-08 / 阅读(339) / 评论(0) 分类 新概念英语第二册

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(96) / 评论(0) 分类 2012年VOA慢速英语(十)月

at the end of 在结束时 be different from 与不同 Benz 奔驰(车名) break down 抛锚,出故障 course 跑道,行程 downhill 下坡 excitemnet 激动,兴奋 explosion 爆炸,轰响 handsome 漂亮的, 美观的 have a lot of tro

发表于:2018-12-17 / 阅读(114) / 评论(0) 分类 新概念英语第二册单词MP3

Exercise 5-13: Speed-reading We've already practiced strong intonation, so now we'll just pick up the speed. First I'm going to read our familiar paragraph, as fast as I can. Subsequently, you'll practice on your own, and then we'll go over it togeth

发表于:2018-12-27 / 阅读(90) / 评论(0) 分类 美式英语正音训练

JULIA ROBERTS: (As Anna Scott) And don't forget, I'm also just a girl standing in front of a boy, asking him to love her. SANAA LATHAN: (As Monica Wright) I've loved you since I was 11 and the [expletive] won't go away. OMAR EPPS: (As Quincy McCall)

发表于:2018-12-28 / 阅读(143) / 评论(0) 分类 英语语言学习

北京奥运28大项 参与,竞争,分享,进步 Synchronized Swimming 花样游泳 MUSIC ACCOMPANIMENTS 音乐伴奏 英文原文 The Sound Centre Manager shall be responsible for the securing and properly presenting the accompaniment for each routine. For FINA competiti

发表于:2018-12-30 / 阅读(132) / 评论(0) 分类 奥运28大项比赛

In the 17th century, the French scientist Pierre Gassendi knew that light traveled faster than sound. When a gun fired far away, he could see the flash of gunshot long before he heard the report. Gassendi tried to measure the speed of sound by clocki

发表于:2018-12-31 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

PEOPLE IN AMERICA - We Profile Five Special People Who Died This Year By Katherine Gypson and Caty Weaver Broadcast: Sunday, December 18, 2005 (THEME) VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm

发表于:2019-01-02 / 阅读(158) / 评论(0) 分类 People in America

Exercise 5-13: Speed-reading CD 3 Track 38 We've already practiced strong intonation, so nowwe'll just pick up the speed. First I'm going toread our familiar paragraph, as fastas I can. Subsequently, you'llpractice on your own, and thenwe'll go over

发表于:2019-01-15 / 阅读(134) / 评论(0) 分类 标准美语发音的13个秘诀 CD3

Todd: Jonathan we are talking about conspiracy theories. What about the one where the sound? That when the rocket lands, they have actually audio of the rocket landing and you can't hear the rocket engine, and the rocket engine should be making a rea

发表于:2019-01-20 / 阅读(117) / 评论(0) 分类 原版英语对话1000个

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(113) / 评论(0) 分类 2007年VOA常速英语(十月)

Before we take this giant leap, we need to be able to carry everything needed for a three-year -round trip with us. This is a much larger effort than getting to the moon. Its the Apollo mission on steroids. At this point we know at least as much as t

发表于:2019-02-03 / 阅读(123) / 评论(0) 分类 自然百科2012年

SAN FRANCISCO, Sept. 22 (Xinhua) -- Facebook on Thursday introduced Timeline, a new profile design featuring milestones of one's life on a single page. At Facebook's f8 developer conference, Chief Executive Officer Mark Zuckerberg promoted the new fe

发表于:2019-02-18 / 阅读(140) / 评论(0) 分类 英语新闻
学英语单词
AAOP
acute cardio-cerebral syndrome
always-reliable
Amriswil
an acid freak
aortic orifice
bhunas
bow drill
bromanil
Broncholysin
Capsella bursa-pastoris Medic.
Casselian
Cauchy interpolation
chairoplanes
chocolate soldier
chromaffine system
conditional conservation
corpora spongiosum penis
deallergize
Defense Secretary
delivery ticket
dicker for
difference of electric potential
donnay
durdent (la dundent riviere)
dynamic water pressure
electrophonoide apparatus
end grip
end stanchion
entrecote
epistemological materialism
estate for life
exchange slip
excommuned
fibrous dysplasia of rib
finger-to-finger tests
flat-topped
free fit
gas inlet
Gosek
hemoglobinurias
high-speed steel geared tap
hustle through
idiot's lantern
jumper locker
leukenic
lightlike line
line polar or a curve
loggership
macer
main lobe
Mayobamba
mccampbell
mocambicana
MOFs
multiplicative cipher
muscular inclinator
nonlinear science
parasitic embolus
pearlite colony
permag
phlyctochytrium chaetiferum
photochemical isotope separation
plant fill in gaps
pneumonometers
Polycolpits
positive-image
preferred coordinates
preselector stage
primary pruification
pseudocele
ranch dressings
record shop
relief light vessel
remittance permit
Reprod.
return receipt
roller cover
savepoint
second order transition point
snowbank glacier
squirrelish
stock acquisition
stopell
summer freeboard mark
surface voltage
Takayasu's diseare
taxable limit
Tetrahydrocyperaguinone
theoxeny
tracer frequency
turdus obscurus
turning track
unfree variation
United States Navy tanker
unn
unpunctuating
ventripyramid
wadsetter
worm-expelling method
yellow salt