聚合物驱

Houston, a city in the American state of Texas, will face worsening flooding conditions as Tropical Storm Harvey continues to rain on the city. On Friday, Harvey, the strongest storm to strike Texas in 50 years, came ashore near Corpus Christi, about

发表于:2018-12-07 / 阅读(84) / 评论(0) 分类 2017年VOA慢速英语(八)月

Low-Lying Areas of New York City Suffer Flooding Sounds of sump pumps fill the air in low-lying areas of New York City. Don, a water systems professional in Brooklyn, has been on the job, pumping out basements since before dawn. He says the worst flo

发表于:2018-12-08 / 阅读(84) / 评论(0) 分类 VOA标准英语2012年(十月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(一)月

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(117) / 评论(0) 分类 60秒科学

Families and rescuers searched Sunday for victims of flooding and landslides in southern Colombia. The destruction has killed more than 260 people, Reuters reported. More than 40 children are among the dead, President Juan Manuel Santos has confirmed

发表于:2019-01-02 / 阅读(126) / 评论(0) 分类 2017年VOA慢速英语(四)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(85) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Scott Stearns Dakar 25 September 2009 People waiting to be registered for assistance in the city of Rosso, Mauritania, 25 Sep 2009 Flooding in Mauritania may delay the start of the school year as people displaced by heavy rains are living in clas

发表于:2019-01-13 / 阅读(82) / 评论(0) 分类 VOA标准英语2009年(九月)

Mississippi Flooding Harms Agriculture in Several US States Flooding along the Mississippi River has ruined crops, damaged farmland and delayed barge traffic in parts of the southern United States. Officials say diversion of some of the water through

发表于:2019-01-14 / 阅读(140) / 评论(0) 分类 VOA标准英语2011年(五月)

As Pakistan tries to cope with the worst flooding in its history, the country has seen several major suicide bomb attacks in the past few days against minority Shi'ites. The two major attacks, one in Lahore and the other in Quetta, killed more than 1

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2010年(九)月

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(173) / 评论(0) 分类 VOA标准英语2016年(二月)

By Kurt Achin Seoul 15 August 2007 A team representing several U.N. humanitarian agencies is in North Korea to investigate damage from heavy flooding. A U.N. spokesman says floodwaters may have done extensive damage to crops, further worsening the N

发表于:2019-02-03 / 阅读(144) / 评论(0) 分类 2007年VOA标准英语(八月)

Heavy rains in West Africa have affected more than 350,000 people. Our correspondent reports, flooding has killed at least 32 people in Ghana and Burkina Faso. View of the flooded streets of Ouagadougou, Burkina Faso, 01 Sep 2009 More than 150,000 p

发表于:2019-02-12 / 阅读(85) / 评论(0) 分类 VOA标准英语2009年(九月)

Nearly 600,000 West Africans are affected by floods, following three months of rain. The unusually heavy rainy season is expected to continue through the end of September. The latest United Nations assessment of West African flooding says more than

发表于:2019-02-12 / 阅读(88) / 评论(0) 分类 VOA标准英语2009年(九月)

By Lisa Schlein Geneva 17 February 2008 United Nations aid agencies warn the onset of spring in Afghanistan is expected to bring severe flooding in many parts of the country. They say they are gearing up to help tens of thousands of Afghans survive t

发表于:2019-02-18 / 阅读(118) / 评论(0) 分类 VOA常速英语2008年(二月)

今天我们要学的词是 flash flooding. Flash flooding 名词,骤发洪水。President Obama declared a major disaster in West Virginia after flash flooding left at least 24 people dead. 西维吉尼亚州骤发洪水造成至少24人丧生,奥

发表于:2019-02-26 / 阅读(114) / 评论(0) 分类 英语单词荟萃
学英语单词
ancistruss
army-brat
asylum-seekers
auto stop
blue-book
bolshy
Bolyaian
boorama (boramo)
broadside T spread
Budvicia
burn-in, static
business machine
casting volume
cerium tribromide
cois
command key indicator
communication procedure oriented language
compensation of Doppler frequency shift
conciliated
consternations
cost of transfer
cowton
Ctrl B
disintegration probability
disk filter
distributive education clubs of america (deca)
disturbed-periodicity model
Eadweard Muybridge
electric tar catcher
Elsworth, L.
encyclopaedical
Exception of Container Insurance
extension beam trammel dividers
falling-body viscometer
false indusium
flagellomania
Fresnel mirror
gameand
genus diapensias
glacial valley
glassy micro-phase
guardiola
heel-bone
Holmes's degeneration
hygromed
ILPC
interlocking switch system
intestinal malabsorption
isotrope rig
lignone
load end
Lonicera kungeana
lotic biology
low drag cowl
Loxley, River
make the beast with two backs
mudras
naturally raised
needlecraft
notrepudiation
nupserha clypealis formosana
open endorsement
ordering point system
oval head split river
particle track
phosphoproteomics
physcion
pressability
proofsheet
radar blackout
rajesh
raster scanning
reset counter
resinlike
reverse-current cleaning
ringdown signalling
rolling moment of inertia of sprung mass
sample connection
sarcodes sanguineas
schillerization
sclerema edematosum
sectional boom
sequential bargaining games
stress guide
stylistic features
subnet masks
subsidiary production specialization
subsumer
sympathism
taehwa (daiwa)
tall herbage
tariff negotiation
tetraisoamyllead
titmen
tmre
top right corner
turfans
UltraBrite
universal love
uranographical
voltage pulse sequence