振动态

Centre County, Pennsylvania, as its name implies, is located in the dead center of this diverse heartland state in the northeastern United States. It's home to liberal-leaning State College, as well as large numbers of older retirees and working poo

发表于:2018-12-08 / 阅读(92) / 评论(0) 分类 VOA标准英语2008年(十月)

Broadcast: May 12, 2003 By Jerilyn Watson VOICE ONE: American states are struggling with their worst financial problems in about sixty years. I'm Steve Ember with Phoebe Zimmermann. Today we report ab

发表于:2018-12-18 / 阅读(105) / 评论(0) 分类 VOA2003(上)-美国故事

Now, coumarin is a very common thing, a material, in fragrance which is derived from a bean that comes from South America. 香豆素是香水中一个十分平常的原料,从来自南美的豆子中提炼出来的。 And it is the classic syntheti

发表于:2018-12-19 / 阅读(85) / 评论(0) 分类 TED演讲教育篇

And...but...but...we have to go a little beyond that. 我们需要进一步深入。 Now let me explain why vibrational theory has some sort of interest in it. 现在我来解释为什么震动理论有一定的道理。 These molecules, as you saw i

发表于:2018-12-19 / 阅读(72) / 评论(0) 分类 TED演讲教育篇

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(104) / 评论(0) 分类 TED演讲教育篇

And every single part of this mechanism is actually plausible in biology. 实际上,这个机制的每一个步骤在生物领域中都是可行的。 In other words, I've taken off-the-shelf components, and I've made a spectroscope. 换句话讲,我

发表于:2018-12-19 / 阅读(57) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(十)月

Adria: So Shiloh, we're talking about politics right now and there's something in the US called red and blue states, could you explain a little bit what they are? Shiloh: Yeah Adria, a red state in the United States is a state which is dominated by R

发表于:2018-12-25 / 阅读(95) / 评论(0) 分类 原版英语对话1000个

Todd: OK. Hey, hello! Tim: Hey, how's it going? Todd: Doing pretty good. Could you introduce yourself please? Tim: Yeah, I'm Tim Peterson. I'm from Oregon in the United States. Todd: Oh, nice. You're from Oregon. Tim: Yeah. Todd: OK, and were you bor

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 英语访谈对话

IN THE NEWS - Bush Discusses Middle East Policy in State of the Union Speech By Jerilyn Watson Broadcast: Saturday, February 05, 2005 This is Steve Ember with In the News in VOA Special English. Ameri

发表于:2019-01-11 / 阅读(105) / 评论(0) 分类 教育与新闻

WASHINGTON, Jan. 6 (Xinhua) -- Two packages detonated(爆炸) on Thursday at two government buildings in the U.S. state of Maryland, but caused no serious injuries, state authorities said. One package detonated at the Jeffrey Building in Annapoli

发表于:2019-01-11 / 阅读(115) / 评论(0) 分类 英语新闻

By Jim Malone Washington 21 March 2008 The U.S. State Department said Friday that the passport files of all three remaining presidential candidates had been improperly breached by contract workers. The revelation prompted an apology from Secretary of

发表于:2019-01-12 / 阅读(150) / 评论(0) 分类 VOA标准英语2008年(三月)

The State Department confirmed Friday that Secretary of State Condoleezza Rice will go to the Middle East next week in another effort to advance Palestinian-Israeli peace talks. U.S. officials deny trying to rush the process. VOA's David Gollust rep

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 VOA标准英语2008年(八月)

STEVE INSKEEP, HOST: More states than ever are funding preschool. That is according to a new report from the National Institute for Early Education Research or NIEER. NPR's Claudio Sanchez reports. CLAUDIO SANCHEZ, BYLINE: Forty-three states plus the

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台5月

By David Gollust State Department 30 October 2007 The State Department said Tuesday that U.S.-hired private security guards accused of killing Iraqi civilians in September may still be subject to prosecution, despite a promise of immunity given by in

发表于:2019-01-21 / 阅读(116) / 评论(0) 分类 2007年VOA常速英语(十月)

By Jeffrey Young Des Moines, Iowa 17 August 2007 Every August, the Midwestern U.S. state of Iowa holds a 10-day-long fair that celebrates agriculture and everything else Iowa has to offer. VOA's Jeffrey Young takes you to the Iowa State Fair. Carniva

发表于:2019-01-31 / 阅读(143) / 评论(0) 分类 2007年VOA标准英语(八月)

By Robert Berger Jerusalem 18 September 2007 US Secretary of State Condoleezza Rice (file photo) U.S. Secretary of State Condoleezza Rice is embarking Tuesday on a two-day visit to Israel and the Palestinian territories. As Robert Berger reports from

发表于:2019-02-04 / 阅读(125) / 评论(0) 分类 2007年VOA标准英语(九月)

By Peter Heinlein Addis Ababa 04 December 2007 Secretary of State Condoleezza Rice is set for talks Wednesday in the Ethiopian capital, Addis Ababa, home of the African Union, to explore peace prospects in conflict zones from Sudan and Somalia to the

发表于:2019-02-04 / 阅读(100) / 评论(0) 分类 VOA常速英语2007年(十二月)

By Meredith Buel Washington 05 December 2007 The U.S. Departments of State and Defense have agreed to a new system of rules designed to increase control over private security contractors working in Iraq. VOA correspondent Meredith Buel reports from W

发表于:2019-02-07 / 阅读(107) / 评论(0) 分类 VOA常速英语2007年(十二月)

The State Department Thursday observed the 10th anniversary of the al-Qaida bombings of the U.S. embassies in Nairobi and Dar es Salaam. Secretary of State Condoleezza Rice said the twin attacks, which killed 229 people, destroyed buildings but not

发表于:2019-02-18 / 阅读(130) / 评论(0) 分类 VOA标准英语2008年(八月)
学英语单词
3-methylbutylamine
accrued profits
acid neutralizing capacity
Aduyeli
aluminized method
antrum-bur
armored thermomerter
atmospheric swamp
banging feeder
biofact
biogel
carting off
centrifugal-film evaporator
cephalic lymph vessel
chaetoceros distans
chlorococcaless
chocaholics
collagenous plaques of the hands and feet
control of order-getting costs
dark eye
data set ready circuit
dephospho-CoA kinase
design-time object
developmental tube
direct and indirect process cost
dooced
Duck Mountain
Elatostema subcoriaceum
exponentially-decaying
eye clear distance
fancily
faux queen
female genital cutting
general division
glucomannase
goes to pot
gutta meter
hard-sphere collision
Hennezel
high resolution mass spectrometry
historify
hydraulic navvy
incroacheth
left hand rotation reamer
local public treasury
lycostomus crassus
manning level
manufacturers representative
Marconi-man
meat processing factory
menage a trois
Mereprine
merryweather
Monadina
naysa
nonresonant antenna
number of holds
numbering off
nyctophilia
oestriols
out the window
paedobaptism
Pamprin
per capita disposable real income
plane of buoyancy
pop-off flask
porous graphite
principal axis of quadric
privative
professional ethics of certified public accountants
program for numerical tool operation
Puerto Portillo
Qabalān
Raubling
reavill
right differential
sakful
salanx acuticeps
salvage master
selective signal
sewing machine oil
shophars
sidewheeler
socioeconomic environment indicator
solid wheel rolling mill
Sredetska
staple pin
Sterling furnace
stormcollector
stratit element
suppositio
surety bonds
syndrome of excessive heat of small intestine
tabular sand
tank washings
terminal cylinder
Thaumatopteris
toolhead
uchellawr (wales)
us community college
water-soluble phosphate fertilizer
whean