智慧放大

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(195) / 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(220) / 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(208) / 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(275) / 评论(0) 分类 2015年Scientific American(一)月

People say intelligence is a lot more attractive than beauty. I often ask people if they would prefer a partner who is intelligent or good looking. They almost always say they want someone who is intelligent. I wonder why it is some of us are so inte

发表于:2018-12-26 / 阅读(174) / 评论(0) 分类 纯正英语一分钟

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(227) / 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(222) / 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(230) / 评论(0) 分类 Scientific American(三)月

Rumsfeld Defends Intelligence, War in Iraq Alex Belida Defense Secretary Donald Rumsfeld has strongly denied the Bush Administration manipulated intelligence on Iraq's weapons of mass destruction prog

发表于:2019-01-09 / 阅读(206) / 评论(0) 分类 VOA2004(上)--各类新闻

Former US Inspector Criticizes Faulty Intelligence in Iraq Weapons Search Deborah Tate Former chief U.S. weapons inspector David Kay is blaming faulty intelligence for the failure to find weapons of m

发表于:2019-01-11 / 阅读(196) / 评论(0) 分类 VOA2004(上)--各类新闻

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(283) / 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(248) / 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(191) / 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(184) / 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(326) / 评论(0) 分类 英语语言学习

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

发表于:2019-01-30 / 阅读(256) / 评论(0) 分类 2007年VOA标准英语(七月)

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(256) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Robert Berger Jerusalem 08 December 2007 Israeli officials are throwing cold water on this week's U.S. intelligence report that plays down Iran's nuclear ambitions. As Robert Berger reports from VOA's Jerusalem bureau, Israel remains deeply suspic

发表于:2019-02-07 / 阅读(194) / 评论(0) 分类 VOA常速英语2007年(十二月)

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(299) / 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(251) / 评论(0) 分类 双语有声阅读
学英语单词
a walled garden
adjustable wrench
admission of debt
adultiest
aix-la-chapelles
Alina
all wheel drive station wagon
ambiparous bud
amyiene oxide ring
antidiuretic hormone
arcgis
argoss
B virus
Bankon
barrel shaft
boniface viiis
brandy butter
bromacrylide
build-ups
chain silicate
CN star
Co-ferol
congestion traffic unit meter
control valve operating lever
corneae staphyloma
Daghmar
debitters
dedicating
deionization
Dhritarashtra
diazotizing colours
distribution ratio of silica
dorthy
eia standard rs-232 b or c
false alumroots
fan-marker beacon
fault-folding
fee shifting
ferleger
fuel-feed system
fusarium culmorum
Gamariza
global extrapolation
gold launch
gray-bluer
homefreight
homocentric illumination
hummel(l)er
hydrolapse
i need you
in-what
inductive tensiometer
insulator laying
isoplanar process
karlotoxins
Kholm-Zhirkovskiy Rayon
knape
large sample property of estimator
lastminutitis
lathe-handn
lattice strain
lead dihydroarsenate
length of river
libelleth
lobus posterior hypophysis
malvastrums
mean obliquity
megazoos
mercerizing agent
Meyer atomic volume curve
microfossil analysis
misbuttoning
mistura magnesii sulphatis alba
Mogocha
Morrua
noisy substring
nuclear locally convex
operative constraint
order instruction
permanent delay
piezo semiconductor transducer
pipeclayed
Piper pedicellatum
post-steroid panniculitis
prelittered
seasonal estuary
semi-Pelagian
signal point indicator lamp
start rolling
stratum spinosum epidermidis
stripper column
stroots
subclinical
texas-houston
the slow lane
time dependence
to-and-fro funiculars
twin spot
two-dee system
unit, standard
vigoursly
ziverts