3-酮戊二酸

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(146) / 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(180) / 评论(0) 分类 知性英语

Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid

发表于:2019-01-12 / 阅读(77) / 评论(0) 分类 2013年VOA慢速英语(五)月

AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2016年VOA慢速英语(二)月

Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin

发表于:2019-01-14 / 阅读(84) / 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(111) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
acetoacetamide
acousto-optical switches
Acrylaglas
air-mixer
antitypical
Buzet
capital outflow
Carduus marianus
case-bound
cast hardness
Celtomaniac
confidence-
control index
corneal topographic device
corrector plate
craping
cylinder passage
deerhursts
delay memory
differentiation of small intestine diseases
eddy-current test
evoked potential
external eruption
extract of podophyllum
first stage of creep
fostell
fourth trochanter
freckny
german iriss
group codeA
half die
hand mating
hydrogen-bonded
impedance transposition method
in a monastic silence
in spec
invalides
ixths
just-mentioneds
laser photothermal refraction spectrometry
loathable
local overheating
LU-LU session type 4
macrothermophyte
manned balloon
marsh marigolds
master pattern
minister of economic affairs
mixed-ion laser
moultytude
multi cell plenum craft
neurovascular hamartoma
new experience
ornithine decarboxylase
paramphicondrius tetradontus
Perenjori
pertz
pie faced
polyester vat dye
prestimony
psychoanalysts
razorbilly
re-touched
relocationing of storage pile
roll(er) mill
rotary wings
Seabrook, L.
sealed-bid common value
secondary steam generator
sending facility
separating surface
sequence generator
sheep-dogging
shtum
sittiparus varius castaneoventris
state-backed
static gain
stator over-current for a short time
step induction voltage regulator
straffan
stratified randon sampling
submissions
superacute
swotted
thickness of plating
tie net
titanium dioxides
top coating
trestolone acetate
twist tube threading
un-omitted
unsaturated linkage
Utiku
vanity cases
venacavagram
villainise
virtual network organization
warished
watertight light fitting
Williams, Ralph Vaughan
wire resistance
zinc undecylenate