音标:[ˈimidʒ ˌæmpləfɪˈkeɪʃən] ;
[医]影像放大,影像增强

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(334) / 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(360) / 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(349) / 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(436) / 评论(0) 分类 2015年Scientific American(一)月

Do you resemble someone famous? Jo: Hello, this is Real English from BBC Learning English, Im Jo. Sun Chen: 嘿,你好吗?我是孙晨。 Jo: In Real English, we look at words and phrases that you might not find in your dictionary. Sun Chen: 你是不是已经发

发表于:2019-01-02 / 阅读(412) / 评论(0) 分类 地道英语在线听

By Ted Landphair Big corporations use memorable slogans or symbols -- like the

发表于:2019-01-03 / 阅读(405) / 评论(0) 分类 VOA2004(下)--文化艺术

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(361) / 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(350) / 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(380) / 评论(0) 分类 Scientific American(三)月

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(479) / 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(421) / 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(306) / 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(330) / 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(459) / 评论(0) 分类 英语语言学习

大家都知道spit的意思是“唾液”。可奇怪的是,有一个和spit相关的词组spit and image的意思却是“和……一模一样的(人或东西)”。 语源学界普遍接受的

发表于:2019-01-31 / 阅读(417) / 评论(0) 分类 英文语法词汇

今天我们要讲的两个习惯用语有同样的意思。它们都用来说某一个人非常像另一个人。第一个习惯用语是:dead ringer。 Ringer原来意思就是酷似某人的人或者很像某物的东西. Ringer有时可以指冒名

发表于:2019-01-31 / 阅读(551) / 评论(0) 分类 美国习惯用语

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(409) / 评论(0) 分类 VOA常速英语2007年(十一月)

CHENGMAI, Hainan, Dec. 9 (Xinhua) -- As China seeks to shake off its image of the world's mass-producer of cheap products and move up the value chain, Chinese companies are trying to reshape their reputations in the international market to win accept

发表于:2019-02-07 / 阅读(396) / 评论(0) 分类 英语新闻

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(484) / 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(409) / 评论(0) 分类 双语有声阅读
学英语单词
abacinating
absolute rest precipitation tank
Acacia delavayi
adiabatic transitions
Albertos
anoxic
anticanitic vitamin
apportionable
ballenas
bandwidth curve
Batten-Mayou disease
benzoylated-naphtoylated-diethylaminoethyl-cellulose
boy-lovers
Bradley, Andrew Cecil
brilliantining
calliostoma aculeatus
centralized data base
chasta
ciliary band
cofactor
compressed air engine
compressing machine
connector collar
control bit
crime news
dads
deconjugate
docimasia
double cutting drill
Dādpur
earbashed
effective frequency deviation
electrical chronograph
eloras
exchange degeneracy
exphallation
family dermochelyidaes
floating part
Gilbert reversed polarity epoch
guangxi zhuang autonomous region
H.D.W.
habit pattern interference
hasora mixta limata
helium-storage room
heterofilm
hold-er
hyperaesthetic
inhalatio
intramicrite
investigative psychology
italian overture
K theory
Langmuir's theory
long wire radiator
lutidon oral
Mababe
Mallotus metcalfianus
maltreaters
merchants of death
miniaturized circuit
moist-heat
monosymmetric faces
moraine of advance
moupinensis
mourning
NAPTs
naviculars
nighttime
optical oceanography
overcollection
overdramatises
Pahlevi
phakoscope
Phyllanthus nanellus
Phyllostachys tianmuensis
physical therspy technician
pneumatic ash conveyer
pocket-book
present value of 1
put up job
RDCA
re-infarction
reimbodied
rhymes
Rāhwāri
seat layout
semiblind
slumless
sorelli
studylink
sudden syncope
tender-hearted
tentpole film
undecoct
unilateral gearing
unproductivity
Vaccinium dendrocharis
veralbidine
water-shed area
Winagami L.
xerophitism
yellowishly