音标:[paɪ'rəʊsɪd] ;
[医]焦性酸; 焦酸
n. An acid obtained by sybjecting another acid to the action
of heat. Cf. Pyro-.

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

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(78) / 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(110) / 评论(0) 分类 VOA常速英语2007年(十一月)

Dialogue 1 Mark: Hey, Jingjing. You wanna come bungee jumping with me and my friends? We're heading out this afternoon. It's gonna be so much fun! 马克:嘿,京晶。你想加入我和我的朋友们去蹦极吗?我们今天下午出发,肯定

发表于:2019-03-06 / 阅读(124) / 评论(0) 分类 英语PK台
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acclimation sludge
advice of drawing
arris rail
Aurus
baensch
Bangsbostrand
baobabs
bromoiodized
calibrator
caperate
cash center
Chinese plum
chromatopile
Clinostigma
complex covariance
conditional disposition
counterelectromotive
cundum
currant bush
DC comparison type potentiometer
dead-space error
delinquent children
DepAndrogyn
device polling
diachronists
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diethyl terephthalate
direct sum of quadratic forms
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driving under the influence
electric susceptibiltiy
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fast Fourier analysis
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field painting
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Freedom Tower
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heat polymerization rubber
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housemaid
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RO-21-8837/001
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unprecedented scale
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