枯水期

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(41) / 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(43) / 评论(0) 分类 2017年NPR美国国家公共电台1月

15The Lord said to Moses and Aaron, 2Speak to the Israelites and say to them: 'When any man has a bodily discharge, the discharge is unclean. 3Whether it continues flowing from his body or is blocked, it will make him unclean. This is how his dischar

发表于:2018-12-30 / 阅读(48) / 评论(0) 分类 利未记

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(61) / 评论(0) 分类 VOA标准英语2008年(五月)

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(62) / 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(42) / 评论(0) 分类 自然百科2012年
学英语单词
2-(ethylthio)ethanol
air-line suit
Aneilema nudiflorum
askingly
auto-dischargeable centrifuge
Aveyron, Dép.de l'
BABSO
Baire measurable function
baldessaris
Barnum Peak
basic access technique
beframe
beleiving
bipolar HVDC transmission system
bonding interaction
bur tawfiq (port tewfick)
bystrom
cable deviation equalizer
cablecasters
chinkas
clock hand remover
cold-strip steel
compotation
compute mode
Construction in progress
continuous emission spectrum
courts of last resort
criswell
current regulation
Cyamopsis psoraloides
data exchange format
dithio-carbamate
Donnellson
enneastylos
epiphoneme
ERCP
ESNZ
eusthenia
fireball
fourth contact
free-reeds
frequency division multiplexing access
fuel rod outer diameter
glacioaqueous clay
gobber
gone before
gran casa
helm amidship
helminthological
highlight halftone
intermediate crossbeam
lay a wager
Lock Haven
lokkyn
M.B.A.
manreds
method of advance reproduction
micro-succession
military reserves
minit
misologia
modulus of stretch
monolithic compatible circuit
myristical
N-bromosuccinimide
normal on-load operation
nuclear weapons state
octachorons
outer coarse fiber
overdue fine
p-acetamidophenol
Pierre de Fermat
pneumatic-press
ponitz
print control
process of depolarization
Ranilonga
recomputable
repeated passing-note
rescinded action
rice midge
salvage
schedule control chart
schedule of operations
scouring basin
strandlopers
sturtze
stychomythia
suborder gorgonaceas
Tcnb
technopolymer
theohuman
transportation charges
triethylarsine
ultracast
unenslaved
velocity integrator
VisualWorks
wing bracket
wry neck
y.-f
zoolaters