酮酸

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(75) / 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(77) / 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(83) / 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(110) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
Adaptive predictor
aerating
air quality criteria
alveololingual groove
Arochlor
at ... desk
balloon knot
bombido
brided
buck knife
carbon stars
catenary support
coal conglomerate
commercial character
condensative
Costanoan
cylindrocarpus rugosa okam.
delegate function
dialyzaer
difficult of approach
dispoliate
dogtrot
dreamiest
dust-laying oil
economy size
educational society
emergency push-button switch
environmental sustainability
face vener
fibroareolar
Forsyth Is.
fortyfours
forward traffic
genus Adansonia
geometric stability
german iriss
grass-seed attachment
guzzles
Heriz, heriz
incisor process
inlet component
isoptic
isothiuronium salts
it-self
Jeffersonia
knotters
landrin
Litsea taronensis
LL. B
local fuel
Luvunga scandens
Magistral'nyy
mallotus repandus (milld.) muell-arg.
masticatory movement
Metamivanum
Münsterdorf
N-ethylbutylamine
nobbled
nonisotopic carrier
northern celadon
ocellar centre
orientalinone
over-staffed
overgrained
package, plastic
Petushki
postpyknotic
Purtsche's disease
raw tea
Repelón
road transit
Salicylazosulphyridine
scolopsis xenochrous
second-order levelling
separating centrifuge
settling down
shakeel
Ship Types
sika deer pilose antler essence
sodium alkylnaphthalenesulfonate
sour docks
spiegelhalter
staff-and-ticket system
subcritical boiling
sundry losses
sutura intermaxillariss
tail head
tail-guts
tangata whenua
taszars
temperatare aesthesiometer
tonguetic
transitional surface
Tryplasmatidae
two-dogs
undershore
unreading
up-regulates
uranosteoplasty
virtual machine concept
wall attachment phenomena
wones