氢氧化镁铝

科学美国人60秒 SSS UV Rays Strip Small Galaxies of Star Stuff

UV Rays Strip Small Galaxies of Star Stuff紫外线辐射会阻止小星系形成 The sun spews out ultraviolet radiationthat's why you put on sunscreen. But the sun isn't the only UV-producing celestial body. Stars and supermassive black holes produ

发表于:2018-12-24 / 阅读(113) / 评论(0)

2017年Scientific American(三)月

2006年VOA标准英语-Child Mortality Rate Increases in Zimbabwe

By Tendai Maphosa Harare 25 October 2006 Silver Packry, right, feeds one of her children while her mother, left, looks on in Harare, October 17, 2006 Child mortality is on the increase in Zimbabwe, according to the country's health minister. Health

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2006年VOA标准英语（十月）

VOA标准英语2009年-Recession Woes Again Batter World Markets

Following Asia's lead, European markets are down Thursday due to persistent worries about the length and depth of the unfolding global recession. In Britain, yet another large central bank interest rate cut was announced to combat the downward econo

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VOA标准英语2009年(一月)

US Now Has Developed World's Highest Corporate Tax Rate

The United States, with the world's-largest economy, now has claimed the dubious distinction of having the industrialized world's highest corporate tax rate. Japan dropped its corporate tax rate slightly on Sunday, to just more than 38 percent. That

发表于:2019-02-07 / 阅读(150) / 评论(0)

英语新闻

2007年VOA标准英语-UN Says 34,000 Killed in Iraq Last Year

By Jim Randle Baghdad 16 January 2007 U.N. officials in Baghdad say more than 34,000 Iraqis perished in violent incidents last year, far more than the government had reported. U.N. experts say it is urgent to strengthen the police, courts, and other

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2007年VOA标准英语（一月）

英语杂谈：105 Interest rate

[00:00.00]What's the interest rate for the savings account? [00:01.93]储蓄存款的利率是多少？ [00:03.85]Interest is calculated at the rate of 0.8% per annum at present. [00:06.61]目前每年的利率是按０.８％计算的。 [00:09.36]Y

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英语杂谈

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伦敦电视新闻2009

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伦敦电视新闻2009

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学英语单词

aluminium welding powder

arrears of wages

banjo mandolins

burner(automatic on-off type)

caecal lymph gland

categories of troops

chalcogen glass

CIV (containment isolating valve)

combustion-leach process

critical forming

delivery procedure

dust-control with water-jetting

effluent settling chamber

eletric windscreen wiper

eradication of disease

exothermic paint

FFV (flexible-fuel vehicle)

fibre-optical scanner

finishing auxiliaries

foramina mastoideum

George Gills Ra.

gifford-mcmahon refrigeration cycle

got at the root of

hler illuminator

hyperthyrotropinemia

isoamylene extraction process

letter of license

mixing box section

noun of assemblage

particular kinds of obligations

pavement design

pseudostomatous canal

reserve feed water tank

reservoir survey

rhizopus tritici satio

Rhodotorula mucilaginosa

secular humanisms

sender unit insulated terminal

special reserve

split-barrel sampler

structure microprogramming

suspended pedal

wood-processings