音标:[ɪ'stɒp] ;
vt. 禁止翻供;禁止;禁止反言
n. (Estop)人名;(西)埃斯托普

Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 (科普英语)Earth and Sky

How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 知性英语

HEALTH REPORT - October 23, 2002: Folic Acid Reduces Fetal Deaths By Nancy Steinbach This is the VOA Special English Health Report. A new study in Sweden has confirmed another important health effect

发表于:2019-01-04 / 阅读(60) / 评论(0) 分类 健康与环境

Folic Acid Supplements Shown To Reduce Risk Of Autism Green, leafy vegetables, fruits and nuts naturally contain folate, a B vitamin that helps the body make healthy new cells. Most pre-natal vitamins include folic acid because it protects against de

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2013年(四月)

By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot

发表于:2019-01-16 / 阅读(112) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Melinda Smith Washington, D.C. 07 June 2007 For years, doctors urged women to take folic acid if they planned to get pregnant. Then researchers discovered the nutrient helped reduce the risk of a heart attack. But now a new study shows folic acid

发表于:2019-01-16 / 阅读(101) / 评论(0) 分类 2007年VOA标准英语(六月)
学英语单词
acceptor charge
acrotaeniostola sexvittata
adiabatic-constant
alsogarays
Americanians
automatic power apportioning
ball-tamperings
bedhoppers
block-by-block operation
bottom antiquark
circulation code
coaxial magnetic field
collapsing cloud
demast
design of clinical trial
diesis
dissynchronization
ecological morphology of plant
false reading
fibrillations
fish culture in stagnant water ponds
fluxed asphalt
force majeure clause
forth language
front entrance
graphical user interface (gui)
Gruening Glacier
high latitude
hog industry
hose fabric
I-T
ifpi
Illicium tsaii
in a snap
indefinitenesses
inwrites
isotopic dispersion curve
Kikai
ladylikenesses
let one's guard down
local curvature
mahrs
maj gen
major shareholder
majorite
majorization of solutions
marine material
martempering
microangioscop
middle cut cutter
mining power
mouse box
nitrate of potassium
non-pressure vessel
non-primitive
offuscate
one to another
Ossi
parabythocythere longtzui
Parry Channel
pincha
plain floor tile
portugues
postmodern
power walks
previous frame
primary switching center
put sb under examination
reactor nuclear design
repollute
residual flame
response coefficient
revascularize
roller mulcher tiller
rostrate
rumposome
San Antonio Heights
semantics of scientific terms
Shintoism
slipshodness
small-scale production
SMITF
spread fading channel
staple diet
starmedia
status line
steel swarf-removing tool
stylopharyngeal nerve
swing-bolster
Te Roti
Telescope Peak
Th. & C.
trumpet-type horn
tung chueh chi
unthematizable
us rsi
vari speed drive
Väike-Pakri
wattsecond constant
xenognosins
xylylchloride
zero-order instrument