溴四氟乙烷

1.Face to Face with Hurricane Camille Joseph P. Blank 1 John Koshak, Jr., knew that Hurricane Camille would be bad. Radio and television warnings had sounded throughout that Sunday, last August 17, as Camille lashed northwestward across the Gulf of M

发表于:2018-12-04 / 阅读(251) / 评论(0) 分类 高级英语 下

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(209) / 评论(0) 分类 Scientific American(一)月

Hurricane Dean looked like a monster. It developed into a category 5, the highest and most dangerous level. Category 1 is called minimal, with wind speeds up to 95 mph. Category 5 is called catastrophic, with wind speeds of at least 156 mph. It blows

发表于:2018-12-31 / 阅读(203) / 评论(0) 分类 365个英语简短小故事

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(193) / 评论(0) 分类 医务英语

Todd: So, Alexandra you were talking about a hurricane. What hurricane were you talking about? Alex: I was talking about Hurricane Andrew, and as I said before, it was a category 5 hurricane. I was not in the city when it came through, however I did

发表于:2019-01-04 / 阅读(176) / 评论(0) 分类 原版英语对话1000个

By Shally Zomorodi Los Angeles, CA 01 February 2007 watch Mozane report The two members of the pop duo Mozane have been working together for just five years, but have known each other for their entire lives. VOA's Shally Zomorodi reports the group's

发表于:2019-01-07 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(二月)

Hurricane Katrina rescuer is among those recognized Mohamed ElShinnawi | Washington, DC 20 May 2010 Chicago Mayor Richard Daley (left) was honored for his efforts to promote better relations between the US and the Arab world. For the past 12 years, L

发表于:2019-01-08 / 阅读(172) / 评论(0) 分类 VOA标准英语2010年(五)月

By Carolyn Weaver New York City 19 July 2007 A new documentary by director Benson Lee, Planet B-Boy , is about a dance form called b-boying, or break dancing. Invented on the streets of New York in the early 1970s by black and Latino youths, its beco

发表于:2019-01-12 / 阅读(221) / 评论(0) 分类 2007年VOA标准英语(七月)

By Scott Stearns Washington 08 March 2006 President Bush says the federal government is making progress in rebuilding levees around the city of New Orleans that were destroyed by Hurricane Katrina. So

发表于:2019-01-13 / 阅读(216) / 评论(0) 分类 2006年VOA标准英语(三月)

Hurricane Dolly made landfall just north of Brownsville, Texas as a Category Two storm with winds more than 160 kilometers per hour and heavy rains. Although Dolly passed over some oil and gas rigs in the Gulf of Mexico, the hurricane had minimal im

发表于:2019-01-13 / 阅读(157) / 评论(0) 分类 VOA标准英语2008年(七月)

By Greg Flakus Cameron, Louisiana 07 February 2006 watch Hurricane Survivor report Devastated Cameron, Louisiana - 4 months later There were two major hurricanes that struck the Gulf coast last year,

发表于:2019-01-16 / 阅读(244) / 评论(0) 分类 2006年VOA标准英语(二月)

Five days after Hurricane Katrina ravaged the U.S. Gulf of Mexico coast, residents of the flooded city of New Orleans are expressing anger and frustration at the slow pace of recovery. The mayor of the stricken city is demanding immediate action. 在美

发表于:2019-01-19 / 阅读(179) / 评论(0) 分类 VOA双语新闻 Bilingual News

By Gini Sikes New York 09 June 2006 Nolan Bell, left, and the Warren brothers BJ, center, and Michael, install a new metal roof in New Orleans Countless Americans have journeyed to the Gulf Coast to help those devastated by Hurricane Katrina last ye

发表于:2019-01-25 / 阅读(219) / 评论(0) 分类 2006年VOA标准英语(六月)

By Greg Flakus Fort Collins, Colorado 18 June 2007 We are now well into hurricane season in the western Atlantic area. The season lasts until November and forecasters say this year it will be active, producing as many as 17 named storms. They also sa

发表于:2019-01-25 / 阅读(198) / 评论(0) 分类 2007年VOA标准英语(六月)

Hurricane Sandy Bears Down on Eastern US Watches and warnings are posted up and down the U.S. east coast as Hurricane Sandy sets its sights on the Atlantic seaboard. Forecasters with the National Hurricane Center say they do not expect Sandy to weake

发表于:2019-02-16 / 阅读(182) / 评论(0) 分类 英语新闻

UNITED NATIONS, Oct. 28 (Xinhua) -- The headquarters of the United Nations is going to be closed for at least one day because of an expected hurricane, according to a statement issued to the press here on Sunday by the UN spokesperson's office. Due t

发表于:2019-02-16 / 阅读(160) / 评论(0) 分类 英语新闻

10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

发表于:2019-02-17 / 阅读(218) / 评论(0) 分类 万物简史

Todd: So Ivan, in America, in California we have earthquakes. Do you have any natural disasters in Houston? Ivan: Uh, it floods a lot and we get hurricanes. Houston's called a bayou city. Bayou is kind of like a dirty river. Sometimes it rains a lot,

发表于:2019-02-18 / 阅读(191) / 评论(0) 分类 原版英语对话1000个

WASHINGTON, Aug. 29 (Xinhua) -- Hurricane Isaac weakened to a tropical storm on Wednesday afternoon with storm surge and inland flooding still threatening, said the U.S. National Hurricane Center on the 7th anniversary of Hurricane Katrina's destruct

发表于:2019-02-18 / 阅读(192) / 评论(0) 分类 英语新闻

Hurricane Isaac has made landfall, slamming into the southeastern coast of Louisiana. The National Hurricane Center said the powerful storm came ashore late Tuesday, bringing sustained winds of 130 kilometers per hour. Forecasters also warned of dang

发表于:2019-02-18 / 阅读(144) / 评论(0) 分类 英语新闻
学英语单词
-gillin
accipiter gentiliss
acylase
allegiance effect
allodizings
ambiguous sequence
animal charcoals
anjali
application service element
arch crown
Attenuvac
battershol
bird in question
bloomie
box the compass
city gas dispatch
coast land
coder-decoders
crest voltmeter
curculionids
darkling
deception technology
decreasing returns
defedate
degrees Celsius
delivery delay
denomination value
education departments
eks
electronic time relay
engineering-based
failure line
fibre morphology
field reversing switch
floating-point arithmetic package (fap)
flocculation of colloids
full-scale operation
graphyure
grate layer material
guepard
gypseous horizon
half-open scanning
hill drop plate
Holcoglossum rupestre
Huacaraje
individualistic
ingratiate oneself
judaeas
knowledge aided protocol automation
korors
L cut
large-capacity machine units
lechatelierite
log data processing
loschiavo
make preparations against
mameles
manrikigusari
mating substance
max flow min cut theorem
memory illusion
merker
metal power production
miniyacht
mitellas
much-
occupation coefficient
occus
olsern test
output pin
panulirus peniciliatus
part-lime case
Perrottetia racemosa
phosphogluconate dehydrogenase
quintuples
register of copyright
restrictive sight distance
satyres
Saucelle, Embalse de
scatoxyl
Single Rate Freight Tariff
single-cells
single-shaft engine
sodium trichlorophenate
specific risk
spectral line
spontaneous regression of tumor
spoonbill catfish
spring plug
Swansea Bay
t joint
tell-tale signal
test system component
the periodic table
thredboes
tolyposporium bullatum schroeter
tunnel ventilation
Villanueva de Bogas
vortexline
WebGL
X-ray emission of active regions
yaris