小潮低潮

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

As the migrating herds arrive in the plateaus river valleys, the spring is here. This is why they have made the journey after the famine of winter. Food is everywhere. Birds have flown in from as far away as the Arctic and subtropics. Canada geese jo

发表于:2019-01-05 / 阅读(50) / 评论(0) 分类 自然百科2012年

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)

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
abele (abeele)
abuses
Allikher
anomoural
As. M.
b operator
banner clouds
beat one's brains
Berna flies
bitt-pin
bitter ale/beer
blade geometry
calcium alginate
camera-ready artwork
candle-power
carbonatizes
carissone
chute caving system
cross-relaxation line shape
deck hook
die bell
disc of constant stress
disintegrating ability
dodgeballs
Dvina Bay
endemic polyneuritis
eyeball group
facies diaphragmatica (hepatis)
fact finding committee
feyzabad (faizabad)
filarioids
first break
flexoelectric
floating normalize control
flyby
foreseeable damages
front shield
gains from population control
genus Pharomacrus
growth machine
heavy gas moderator
hybridoma cell line
ice rise
IHSM
intermyocardial
interspersal
irim
iterative phase-change constant
know what one is talking about
lamin-
landing newel
Leloir's lupus
Leonis
limited life trust
living polymerization
long-vowels
Lotus Seed
lower head
lubavitchers
main partition
make a fine job of
Mannu, C.
Matutina
meltons
mercury-vapor
metallike
minimum time lag
mitsu
N. P. A.
non localized fringes
normal undercarriage
orbitotomy
owner of record
pre-straining grass
puddle mixer
pushing lever
rack container
real-time quality control
red-graier
redescend
roughness value
round-fruited
shaft filler washer
Shebekinskiy Rayon
shroud shear
sociation
spatial models
spriggers
strip skimmer
suborbital vacuity
syphilogeny
tailstock sleeve
Talatrol
Toryness
twin wheel loading
upright core
varnish-drying
velocity-depth gradient
vigil light
water-shut
worldthe
wristguard