准分子态

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(106) / 评论(0) 分类 数学英语

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(72) / 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(86) / 评论(0) 分类 VOA2003(上)-美国故事

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 Scientific American(四)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(73) / 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(92) / 评论(0) 分类 英语访谈对话

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(十)月

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(85) / 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(98) / 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(121) / 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(83) / 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(89) / 评论(0) 分类 2017年NPR美国国家公共电台5月

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(121) / 评论(0) 分类 2016年Scientific American(十)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(99) / 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(111) / 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(106) / 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(80) / 评论(0) 分类 VOA常速英语2007年(十二月)

1. Rescue workers in central China are frantically searching for survivors in rubble like this. Heavy rain continues to fall in the area after a 7.9-magnitude earthquake killed about 10,000 people. Chinese officials say there is a push to clear road

发表于:2019-02-11 / 阅读(128) / 评论(0) 分类 美联社新闻一分钟2008年(五)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(102) / 评论(0) 分类 VOA标准英语2008年(八月)
学英语单词
a fair deal
a land of milk and honey
absorption stage
allocation
antipyetics
bead-jointed
bikings
bone a fish
boring life
brodas
Buchholtz relay
Caledonides
cam surface
clival
commitment time
concrete hollow block
containment air cleaning system
cymbidium pumilum rolfe
deficit statement
demand chart
do sb. harm
do your very best
flowering maple
four-pagest
frame slip
freshwater ecosystem
friction nonlinearity
game shows
good-neighborliness
have way on
hollow-cone type nozzle
hot fix
ILAB
improper convex function
in and out works
inscribest
international computation center (icc)
iso rhothophilus
jun-yusho
kresamine
later-
layover time
lerambert
lived for
Livigno
Londoko
luys
major diameter relief
mannosylated
mining room and pillar
Muaragusung
much-misseds
mud cleaner
multistrand mill
nauticas
neptamustine
network control unit
overpublishes
overregarded
packing stick
parricides
pegma
periocular
permeabilizer
phytophthora polygoni
Picón, Cerro
Plekhany
prion protein
protective circuit
pupil-led
quaternary ammonium chloride
retreading of tyre
return on investment
reversed phase column
rocked blade
sans-culottides
screw stay bolt
self-refrigeration
shoo-in
shotput
slaphappiness
social value function
solid-solid interfaces
spontaneous oxidation
steering diode
Stereobelt
suck ... brains
swing door
take off
temposulfan
thabane
the Laffer Curve
to take something with a grain of salt
to televise
tremulas
uranoids
uropyxis arisanensis
us you
veritest
wavy-edge disk
wetproofing
Woosterism