强度放大

Jordan’s 1) highlights in the past (In the 1983 2) NCAA 3) Finals) 4) Jumper out on the left, good! The 5) Tar Heels are going to win the national championship.” (In the Chicago Bulls 6) home cour

发表于:2018-11-28 / 阅读(210) / 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(109) / 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(105) / 评论(0) 分类 2013年VOA慢速英语(二)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about a new cancer treatment and a study of the disease malaria. We will tell about the possibility of drier con

发表于:2018-12-16 / 阅读(108) / 评论(0) 分类 2010年VOA慢速英语(十一)月

High-Intensity Interval Training Gains Popularity 高强度间歇性训练在风靡 WASHINGTON Like fashion, food and almost everything else, fitness programs come - and go - in popularity. This year, the American College of Sports Medicine predicts

发表于:2018-12-16 / 阅读(111) / 评论(0) 分类 VOA标准英语2014年(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(128) / 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(134) / 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(129) / 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(114) / 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(122) / 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(168) / 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(136) / 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(93) / 评论(0) 分类 VOA标准英语2012年(一月)

Encore: Courtney B. Vance Brings Intensity Of Johnnie Cochran Back To Life play pause stop mute unmute max volume 00:0000:00repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update

发表于:2019-01-16 / 阅读(126) / 评论(0) 分类 2016年NPR美国国家公共电台9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(102) / 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(150) / 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(139) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(147) / 评论(0) 分类 2018年科学美国人10月

No Gym. No Problem Maybe its too expensive. Maybe youre too shy. Some people just plain do not like the gym. It can be boring, intimidating, and it can seem somewhat redundant. The good news is theres another way. Sports! Here well take a look at wha

发表于:2019-02-18 / 阅读(116) / 评论(0) 分类 阅读空间

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(138) / 评论(0) 分类 双语有声阅读
学英语单词
accented term
air breather
all-number calling (anc)
Altheim
analagous
antiangiogenics
antiseborrhoic
authorisations
Barnum and Bailey
BCD
be upon thorns
blending agents
bog spavin
breast the current
brezny
broken package
Campeche, B.de
cervical ganglionectomy
chang-wens
circumobresistance
cliff brakes
coexistence equation
condition guaranteed on arrival
conditional assembly expression
conservers
constancy class
constructional terrace
cryptonephry
Daba Mountains
dairy packaging machine
directioal valve box
donas
double cam
dumlao
Ekulama
ensemble effect
Faraday rotation isolator
fetishised
fiber optic bit rate
fillers of cable
flotation tailings
for all intensive purposes
forthpassed
Fungchex
genus metasequoias
genus pisonias
geronimo
get one's ideas into shape
Greely, Adolphus Washington
Hartmann criterion
humidity of skin
icherrhemia
image flyback
Kishar
lanighans
license for
lock-box system
lungshengensis
mazarr
mcquarrie
nanny cams
Newark changing system
nonuniform threshold voltage
ohnosecond
paleo-upwelling
pancreatotropin
paradental pyorrhea
Paschi
Porel's decussation
power trial
private enterprise system
Pseudemys concinna
pyrophoric zinc powder
Rhee
rhomboidei
rostocks
scarlatinosis
sea squills
seleucia
shifting pump
shoe-shaped drag head
sphagnum susecundum nees.
STDH
strandberg-groenblad(syndrome)
subtractive cDNA library
synthetic mustard oil
take counsel
talite
tangential close ray tracing
taphrogenic breakdown
taux
Tazocin
thenfadil
tortness
turnout zone
twict
two-site IRMA
upper tunguskas
varewort
Wazza
winter heliotrope
xiphovelia glauca