打火石;燧石

Dima: Hello, I'm Dima, and today our guest is Richard Firestone, an American scientist in Lawrence Berkeley National Laboratory who has recently been involved in a fascinating research into an unusual 'meteor', that's a piece of rock or other matter

发表于:2018-12-03 / 阅读(143) / 评论(0) 分类 英语听和读

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(145) / 评论(0) 分类 Scientific American(十一)月

By Nico Colombant Dakar 01 May 2007 As workers around the world mark May Day, in Liberia, a strike is ongoing at the rubber plantations of the Firestone tire company, highlighting long standing problems between the country's biggest private employer

发表于:2019-01-13 / 阅读(161) / 评论(0) 分类 2007年VOA标准英语(五月)

Light Bulb Inventor Tried to Create Fake Rubber At the turn of the 19th to 20th centuries, the prolific American inventor and businessman Thomas Alva Edison developed devices that changed industry, communication, and everyday life - from a practical

发表于:2019-01-13 / 阅读(157) / 评论(0) 分类 VOA标准英语2012年(六月)

Photos as Window on the World 照片成了解世界的窗口 LOS ANGELES Photography offers a window on the world, and a recent photo exhibition shows how the camera is bringing people together globally. Artist Joy Feuer is arranging an art installat

发表于:2019-01-14 / 阅读(179) / 评论(0) 分类 VOA标准英语2014年(一月)

'Birthplace' of Arab Spring Suffering Growing Pains STATE DEPARTMENT Tunisia is under tremendous pressure from terrorist attacks as it works to build and enact democratic reforms, according to Tom Malinowski, U.S. Assistant Secretary for Democracy, H

发表于:2019-01-14 / 阅读(459) / 评论(0) 分类 VOA标准英语2015年(九月)

ARI SHAPIRO, HOST: Colorado is reviewing its oil and gas operations after a house blew up last month, killing two people. A pipe from a nearby oil and gas well had been abandoned but not properly sealed. The tragedy is prompting many questions about

发表于:2019-01-17 / 阅读(136) / 评论(0) 分类 2017年NPR美国国家公共电台5月

ARI SHAPIRO, HOST: And now we're joined by NPR national justice correspondent Carrie Johnson. Hi, Carrie. CARRIE JOHNSON, BYLINE: Hi, Ari. SHAPIRO: You followed Rosenstein for years since he was the U.S. attorney in Baltimore. Is this account in char

发表于:2019-01-17 / 阅读(207) / 评论(0) 分类 2018年NPR美国国家公共电台9月

AUDIE CORNISH, HOST: Rod Rosenstein is still the deputy attorney general at the Justice Department despite conflicting reports about his fate earlier today. TV cameras recorded him leaving his home for a meeting at the White House. A short while late

发表于:2019-01-17 / 阅读(175) / 评论(0) 分类 2018年NPR美国国家公共电台9月

JUDY WOODRUFF:Back in the U.S., the release of the president's budget today touched off a fresh round of debate in Washington about spending priorities. Mr. Obama called on lawmakers to support investments that would help create jobs. But Republicans

发表于:2019-01-27 / 阅读(212) / 评论(0) 分类 PBS访谈商业系列

JEFFREY BROWN:And finally tonight, remembering the popular movie reviewer and television co-host Roger Ebert. He was the first film critic to win the Pulitzer Prize. He died today at age 70. Hari is back with our remembrance. 83.jpg HARI SREENIVASAN:

发表于:2019-01-27 / 阅读(163) / 评论(0) 分类 PBS访谈娱乐系列

By Jeff Feuer Washington 07 May 2008 The modern circus can trace its roots to ancient Rome where audiences gathered to see chariot races, equestrian shows, and staged battles. Today's modern circuses have changed quite a bit with a mix of aerialists,

发表于:2019-01-30 / 阅读(124) / 评论(0) 分类 VOA标准英语2008年(五月)

By Kurt Achin Seoul 09 May 2007 Thousands of North Korean defectors have made the dangerous and illegal journey to South Korea by way of China in the past 10 years. When they arrive, they often encounter adjustment difficulties in a place that looks

发表于:2019-01-31 / 阅读(144) / 评论(0) 分类 2007年VOA标准英语(五月)

WASHINGTON, July 29 (Xinhua) -- Former world No. 1 Tiger Woods has been back to the field and formally entered the PGA Championship after missing two other majors earlier this year. The World Golf Championship at Firestone will mark his return next w

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 英语新闻

BBC Learning English People and places Richard Firestone Dima:Hello, I'm Dima, and today our guest is Richard Firestone, an American scientist in Lawrence Berkeley National Laboratory who has recently been involved in a fascinating research into an

发表于:2019-02-04 / 阅读(438) / 评论(0) 分类 人与地方

Finding a date for Prom can be a stressful experience for many. Just ask Sam Steingard. 对许多人来说,找一个毕业舞会的伴儿可能是一次压力满满的体验。那正好问问Sam Steingard吧! With the big date drawing ever nearer,

发表于:2019-02-07 / 阅读(127) / 评论(0) 分类 英语新闻

Finding a date for Prom can be a stressful experience for many. Just ask Sam Steingard. 对许多人来说,找一个毕业舞会的伴儿可能是一次压力满满的体验。那正好问问Sam Steingard吧! With the big date drawing ever nearer

发表于:2019-02-07 / 阅读(146) / 评论(0) 分类 阅读空间

By Jeff Feuer Washington, DC 12 February 2008 Every day, hundreds of thousands of commuters and tourists travel in and out of Washington. One of the most popular modes of transportation in the Washington area is Metrorail, a subway system serving mor

发表于:2019-02-17 / 阅读(137) / 评论(0) 分类 VOA常速英语2008年(二月)

CHEERS greeted Barack Obamas hiring of Cass Sunstein away from the University of Chicago. Mr Sunstein, a lawyer, now head of the Office of Information and Regulatory Affairs, is in charge of lifting the heavy hand of regulation from Americas economy.

发表于:2019-02-17 / 阅读(128) / 评论(0) 分类 经济学人综合

By Jeff Feuer Alexandria, Virginia 18 February 2008 Every year on the third Monday in the month of February, the United States observes what is known as President's Day as a celebration to honor America's first president, George Washington, and the 1

发表于:2019-02-17 / 阅读(130) / 评论(0) 分类 VOA常速英语2008年(二月)
学英语单词
abnormalize
aer (applicant's environmental report)
antimony dermatitis
Ascension Sunday
Association of Oil Pipe Lines
Audiocartridge
autoconfiguring
banking information
Bernoulli walk
blessednesses
borzoi
brevialatus
brew fermentation
bright contrast
british atomic energy authority
cacheable address
case butt coupling
castratively
centripetalism
combined statistical area
conformal differential geometry
copper(ii) hydroxyfluoride
couch-potato
cupric iodate
custodian business
deblends
deductors
diagnostic accordance rate
dillseed
domestic tariff
douay-rheims versions
drum vulcanizer
Efcorbin
egg quality
Ersfeld
fairy rings
felling of sample trees
festuca pratensis meadow fescue
fine-textured soil
fishing port supervison boat
geothermometric
Houeillès
igema distance water level indicator
improcurability
instinct shooting
isobutyropyrothine
isoelectrofocused
liquid writing materials
longside
low floor charger
making a pass at
multicolour yawns
noncyclical field
nonhomogeneous chain
normal plotting accuracy
north dravidians
optimized database access
overschedule
pancreatic fluid collection
pars secunda (radicis n. facialis)
Paulownia fargesii
photonic ink
plane monochromator
power wire
prepacked aggregate
protohymenia
prowdly
recoding
RIFAM
rodent-runs
scleral groove
Scott's trick
section 508
short in
sickle cell an(a)emia
silent preignition
skimming
snorkelling
solid body
square fluidized bed
ssrc
tecnology
thermo compression bonding
to be arranged
to pitch
tone wedge
tri-dimension
Twante
uncollected vouchers
unfrayed
unpresumed
vertical skew correction
vice-directors
video alteration
vitatine
wading
wavelength selective star coupler
waylayers
web copywriting
working regime of economic hydraulic horsepower
yellow paper test