国际低水位

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(42) / 评论(0) 分类 VOA标准英语2012年(十月)

ARI SHAPIRO, HOST: For decades, the Colorado River has fed growing cities from Denver to Los Angeles, and a lot of the produce in grocery stores across the country right now was grown with Colorado River water. Now with climate change and severe drou

发表于:2018-12-17 / 阅读(44) / 评论(0) 分类 2017年NPR美国国家公共电台1月

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(62) / 评论(0) 分类 VOA标准英语2008年(五月)

Afghan Economy Slows Row upon row of heavy construction equipment lies idle along Kabul's Jalalabad Road as international contracts begin to dry up with international forces pulling out. Machines like these had been used to build the heavily fortifie

发表于:2019-01-14 / 阅读(27) / 评论(0) 分类 VOA标准英语2012年(十一月)

AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l

发表于:2019-01-16 / 阅读(63) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The living is easy. But it won't last long. At this altitude, the air is so dry that rain evaporates before it even hits the ground. The water that flows off the plateau is no longer being replaced. Already there is drought in forests beyond the mead

发表于:2019-01-22 / 阅读(44) / 评论(0) 分类 自然百科2012年
学英语单词
aerosol analyzer
after gallows
aggradated plain
anamorphtic lens
ankylotome
anti hyperon
apparent number
augmented fourth
boundary layer transition
bradina admixtalis (walker)
brand barometer report
Bulghars
calcium phenoxide
Canavese
canonical equations of motion
Cephalosporium salmosinnematum
chromic sulfate
CNCL
contra wound helix circuit
convex and concave cutter
defined channel
definite binomial coefficient
dermoactinomycosis
dialog unit
dismaler
Eelde-Paterswolde
eluation
end snips
endurance range
energy crop
equi-composition method
extreme-right
fell back upon
fibrohyaline tissue
five-year forecast return
front-nine
Gene Sarazen
general
gradual production
gramps
guaranteed horse-power
half truth
hawkish
HC20-511
heat of coagulation
heatproofed
high speed record
hot former
husk tomatoes
inexpugnate
inextension
interxylary cork
isomorphism problem
Kholāhāti
killah
lathes turret
limousins
littlecote
main courses
maximum moment
Megafur
mine refuse
Mohammedans
mouffes
muff pistols
neo-poverty
net effectiveness
neutralization station
New York minute
non priority objective
non-elastic interaction
non-rotating cable
oxydant
parking management
phosphoro-amidate
Pibor Post
Ponoj(Ponoy)
pseudanthias rubrizonatus
Q-barnling
rabider
radiorestorative chemical
ream drilling method
recurrent summer eruption
relation between series of attributes
Robert Wilhelm
servant brake
short period accident
sidechaining
souchon
spiral filament
sport sedan
stool layering
sustain a defeat
theirself
tobias george smolletts
trigoniid
trimethyl phosphite
tsilaisite
twin shear theory
Umwelt
Verber
volume of shell