低频放大级

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(92) / 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(87) / 评论(0) 分类 2013年VOA慢速英语(二)月

(SOUNDBITE OF SONG, AIN'T TOO PROUD TO BEG) THE TEMPTATIONS: (Singing) I know you wanna leave me, but I refuse to let you go. If I have to beg and plead for your sympathy. I don't mind... MICHEL MARTIN, HOST: So, it's a cliche, but it's true. They re

发表于:2018-12-18 / 阅读(64) / 评论(0) 分类 2018年NPR美国国家公共电台7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(87) / 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(96) / 评论(0) 分类 2015年Scientific American(一)月

今天我们要学的词组是set the stage。 Set the stage的意思是为某件事做好准备,提供条件。比如,希拉里.克林顿06年再次当选参议员,为她08年竞选总统提供了条件 -- The reelection set stage for her pres

发表于:2018-12-30 / 阅读(104) / 评论(0) 分类 英语每日一词

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(106) / 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(88) / 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(108) / 评论(0) 分类 Scientific American(三)月

CAIRO, Dec. 15 (Xinhua) -- The first stage of the referendum of Egypt's draft constitution ended Saturday night at 11:00 p.m. local time (2100 GMT). Due to the high turnout, the closing time of the referendum was extended from 7:00 p.m. local time (1

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 英语新闻

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(145) / 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(108) / 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(77) / 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(84) / 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(131) / 评论(0) 分类 英语语言学习

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2019-01-26 / 阅读(110) / 评论(0) 分类 英语单词荟萃

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(122) / 评论(0) 分类 VOA常速英语2007年(十一月)

MADRID, Aug. 27 (Xinhua) -- Joaquin Rodriguez won his second stage of this season's Vuelta de Espana (Tour of Spain) cycle race, which finished in the town of el Escorial on Saturday. Rodriguez was the strongest finisher on the steep ramp at the end

发表于:2019-02-08 / 阅读(116) / 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(105) / 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(113) / 评论(0) 分类 双语有声阅读
学英语单词
acetabular foramen
activity of mineral
adjustfield
AIQC
antimonies
astronomical unit (a.u.)
balisage
Balsas River
boat-handling gear
brachial plexus anesthesial
breaking down of lubrication
cemil
choke-coupled amplifier
chromaticism
coherent bean amplifier
combination electric propulsion apparatus
cortical encephalitis
counselless
Curschmann
deferred maintenance time
desideratas
direction meter
dronings
election day
endogenous fluid
endotoxic tyberculin
feudalizes
final product storage
generalized exponential distribution
genus Caiman
glove dolls
goertz
green patina
heart peas
Heterosmilax gaudichaudiana
hge
hjelle
Holmes self-igniting signal light
human rights movement
hyperchlorination of drinking water
immediate environment termination
in-service behavior
internal transportation system
Kawnglanghpu
Lamesley
leader trait
legal debt limit
lepidium bonariense
licensed deposit-taking company
light demanders
loewite (l?weite)
magnetite bronzitite
marking-recapture method
massage of prostate
midsequent
mistakes for
modal acceleration
modulo arithmetic
molecular bond
MONAS (multichannel on-line noise analysis system)
nipple cactus
nomoi is. (mortlock is.)
oil hydrogen ratio
operating lever for reverse valve
origin of hills
paramoebiasis
pectoral fins
Pelago
pierog
plastic technology
poly(vinyl chloride) agricultural film
polylines
pulse top droop
R display
re-enrich
recallability
Red Halloysite
rope figure
salt-shaker
schlesser
service tank
Shafiite
sp. indet.
spam relays
spider leg
sprinkler system
squegging
stentour
straddling dipper handle
stream file
supernatural power
the scorpion king
time base filtering
tintinnabulate
topical anesthetics
tricadecaphobia
uncoupling
Verlegenhuken
wax taper
wood whites
yob, yobbo
you can do it