超压水层

Lifelines of the Desert The Nasca desert in Southern Peru is a vast wasteland that stretches from the Andean 1)foothills to the Pacific Ocean. In 1926 came the first commercial flights over the area a

发表于:2018-11-28 / 阅读(128) / 评论(0) 分类 疯狂英语2004年

Kansas Farmers Work to Prevent Depletion of Ogallala Aquifer 堪萨斯农场主努力保护蓄水层 COLBY, KANSAS The Ogallala Aquifer is a large underground water resource that sits below parts of seven U.S. states in the Midwest. The aquifer is us

发表于:2018-12-16 / 阅读(45) / 评论(0) 分类 VOA标准英语2014年(三月)

It seemed like a good ideabecause rivers and ponds in Bangladesh were contaminated with bacteria, Bangladeshis switched to wells. But soon after, in the early 80s, researchers realized those wells were harming Bangladeshis with a new poisonarsenic. T

发表于:2019-01-08 / 阅读(45) / 评论(0) 分类 Scientific American(十一)月

Devil's Hole, where the earth opens to reveal a rare window into Death Valley's most implausible underworld, a universe of water. In twisted irony, the driest place in the hemisphere sits atop one of the largest aquifer systems in the United States,

发表于:2019-01-22 / 阅读(28) / 评论(0) 分类 自然百科2009年

EXPLORATIONS - Development Marketplace: Turning Ideas Into ActionBy Jill Moss Broadcast: Wednesday, May 17, 2006 (MUSIC) VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS

发表于:2019-01-30 / 阅读(46) / 评论(0) 分类 2006年慢速英语(五)月

A alternate bearing 大小年结果 amendment 调理剂 ample 充足的 anatomical 解剖的 aneuploid 非整倍性(的) anion 阴离子 annual 一年生植物,一季生植物 anther 花粉囊,花药 anthocyanin [植]炭疽病 antibiotic 抗生

发表于:2019-02-09 / 阅读(64) / 评论(0) 分类 英文语法词汇
学英语单词
access method block
ahead motion
algoparesthesia
alpheus euphrosyne
antipornography
as-sahab
automarts
bank check deposit on major repair fund
be in duty bound to
bellicosely
carriage saddle
catalyst surface
chlamydeous
chlorine chamber
chronological book
colobin
commercial orchard acreage
Committee of Twenty
consumer terrotist
copacetic
covered platform
cross roll straightener
cryoscopic titration
danger-spots
defacilitation
deliquescent agent
difference of polynomial
engine company
Erlian
evening wear
flame annealing
flat-type stator
fluid flow control
Fontana's
four-two-one syndrome
fruit loop
go large
go on the cops
guest speakers
hook scraper
in most instances
industry-leading
initiate a new plan
intermediate drift radio burst
irory-towerite
isobaric procedure
jack-shaft
jet smelter process
jokeful
Kaunas
krummholtz
Kuta-shima
leads on to
May apples
Menoidium
metallic sheave
microwave current
mini desktop PC
mowingmachine
multiple end user
multiple heating coil
nonbovine
Norra Vi
obstetric(al) pathology
Oenpelli
oulitis
oven toaster
over-and-short
P-CRS
parametric interaction
particle-particle interaction
phin
podogynium
pre-arrange
pride of Bolivia
quasimeromorphic
randal
returned empty
Romanly
run-on time
sanguiniferous
satisfactorily
scale IC large
score ... out
shipside delivery
Sloanea jamaicensis
sprinkling pipe
strongyloidiases
synthsize
telemetry antenna
telescopic gauge
tempering range
the reports
underground channel
upper ten
uranium-containing
VD1
virgos
voodoo programming
weather-proof housing
yaroslavs
zephyrs