扩声系统

The hills are 1) alive with the sound of music, With songs they have sung for a thousand years. The hills fill my heart with the sound of music, My heart wants to sing every thing every song it hears.

发表于:2018-11-28 / 阅读(181) / 评论(0) 分类 疯狂英语2002年

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(97) / 评论(0) 分类 美丽新世界

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(96) / 评论(0) 分类 2013年VOA慢速英语(二)月

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(107) / 评论(0) 分类 中英双语新闻

This is Scientific American's 60s Science. I'm Karen Hopkin. This will just take a minute. Think about the tools used by biologists, perhaps test tubes and microscopes come to mind. But what about diapers? No, it's not the investigators in their work

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 2015年Scientific American(一)月

In my lab, we recently made a cancer nanodetector 在我的实验室,我们最近研制出了一种癌症纳米检测器, that is so small that it could travel into the body and look for tumors. 小到可以进入全身血液循环并寻找肿瘤。

发表于:2019-01-03 / 阅读(114) / 评论(0) 分类 TED演讲科学篇

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(112) / 评论(0) 分类 Scientific American(三)月

The Loveliest Sound Starfield What could we bring that You'd ever need? (that You'd ever need) What could we do that's worthy of You? (that's worthy of You) What could we say that You have never heard? Sung by angels in heaven and earth [Chorus:] The

发表于:2019-01-10 / 阅读(116) / 评论(0) 分类 好听的英文歌曲

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(122) / 评论(0) 分类 2012年VOA慢速英语(一)月

'Word on Street' Impacted Language in 2011 While 2011 is over, some of the words that came to define the past year are still very much with us, and may be for years to come. Since 2011 was an especially busy year for grassroots political action, many

发表于:2019-01-13 / 阅读(86) / 评论(0) 分类 VOA标准英语2012年(一月)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(93) / 评论(0) 分类 TED演讲国际问题篇

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(139) / 评论(0) 分类 英语语言学习

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(130) / 评论(0) 分类 VOA常速英语2007年(十一月)

听歌学英语:The Sound of Silence 在1965年到1970年期间,Paul Simon和Garfunkel成为美国流行乐坛历史上最成功的唱片二人组。 在这首The Sound of Silence中, Paul Simon和Garfunkel完美的嗓音结合无疑再次得到了最

发表于:2019-02-04 / 阅读(127) / 评论(0) 分类 听歌学英语

音乐咖啡厅:Westlife - Sound of a Broken Heart 相关介绍:有七张英国冠军专辑与14首冠军单曲的西城男孩让歌迷苦等两年,终於发行出道十年的第九张专辑《爱就在这里》,就在宣传正如火如荼展开时

发表于:2019-02-07 / 阅读(162) / 评论(0) 分类 音乐咖啡厅

【经典】寂静之声 The Sound Of Silence Hello darkness, my old friend, I've come to talk with you again, Because a vision softly creeping, Left its seeds while I was sleeping, And the vision that was planted in my brain Still remains Within the

发表于:2019-02-07 / 阅读(85) / 评论(0) 分类 经典英文歌曲

Nobel in Physics for Controlling Laser Light 诺贝尔物理学奖颁给激光控制实验者 The main practical application of CPA so far has been in the eye surgery. It was the first one, and I think it is the one that is used by the most people fo

发表于:2019-02-14 / 阅读(124) / 评论(0) 分类 2018年科学美国人10月

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(125) / 评论(0) 分类 双语有声阅读
学英语单词
abrasive suspension
activity sequence
adenocarcinoma of larynx
aliterate people
Aranese
aromatites
association for science education
audio-animatronics
BDRF
black mt.
blue gums
Boas' test-meal
box shrouded impeller
car parking
centre thick of flap
chapter ring
Chicago Park
chip butties
code del norte
colloidopexy
continuity contact
continuous-time system
contraband of trade
conventioneer
counter hand
decoding scheme
die support
dog someone's footsteps
drawing brief
DSP chip
durforts
equatorial anomaly
featherheaded
Fibonacci function
ficials
for the first time
fundamental cohomology class
gallant with
gland casing
glyptotermes satsumensis
grengesite (grangesite)
hamann
honest Indian
in rotation
inert gas cooler
intellections
interosseous sacroiliac ligaments
isi ewu
jerel
landesmuseums
Les Ternes
liquefied cyanogen
lost your edge
macromelanophores
manualiter
mboteni
Mlicrococcus flavescens
monoblasts
motile
Nabonidus
net resistance
oil reservoir cap
on a small scale
plain soil
plug-back
pneumatographs
profibrinolytic activating factor
profit margin
railway maintenance
reascending
recording raman spectrophotometer
renewal fund
resource integration
riborg
satalino
schwartzbach
secum
slamming stresses
smooth things over
static phase
steel ore
stramonium leaf
sufflamen chrysopterus
synchronization character
the Social Web
the World Bank
third and fourth speed shift fork
threshold levels
thrombocyst
throwin'
to pay as may be paid thereon
tossed
true extract
Tsiroanomandidy
tuberculum caroticum vertebr? cervicalis vi
updatingtechnique
vers-
viljoen
waterproof switch
Where are the books
wilforibiose
Zip your lips!