传染源

US Spacecraft to Probe Origin of Gamma Rays

By David McAlary The U.S. space agency, NASA, launched a satellite Saturday that scientists hope will help them locate the sources of mysterious gamma ray explosions, the brightest most energetic burs

发表于:2019-01-03 / 阅读(66) / 评论(0)

VOA2004（下）--健康科技

Tea May Help Fight Infection

Broadcast: April 30, 2003 By Nancy Steinbach This is the VOA Special English Health Report. American researchers say drinking tea may help strengthen the body's defense system against infection. Docto

发表于:2019-01-06 / 阅读(54) / 评论(0)

VOA2003（上）-健康资讯

E. coli infection cases rise sharply in Germany

BERLIN, June 1 (Xinhua) -- Germany's disease control center reported on Wednesday 365 new cases of the fatal enterohemorrhagic E. coli (EHEC), which marked a sharp rise since its outbreak in the middle of May. Twenty-five percent of the new cases inv

发表于:2019-01-19 / 阅读(53) / 评论(0)

英语新闻

AGRICULTURE REPORT - Congress Delays Country of Origin Label

AGRICULTURE REPORT - Congress Delays Country-of-Origin Labeling By Mario Ritter Broadcast: Tuesday, January 27, 2004 This is Faith Lapidus with the VOA Special English Agriculture Report. The United S

发表于:2019-01-25 / 阅读(61) / 评论(0)

农业与发展

影视歌曲：《邪恶力量》插曲 Fire of Unknown Origin 无名之火

Death comes sweeping through the hallway 死神降临，在走廊里漫步 Like a lady's dress 像一位盛装女王 Death comes driving down the highway 死神降临，在高速路上疾驰 In its sunday best 穿着节日盛装 A fire of unknown ori

发表于:2019-02-11 / 阅读(80) / 评论(0)

影视英文歌曲

The origin of coffee

The brains behind QI, the BBC quiz show, explore where and when coffee originated. Desert fruitEvery cup of coffee you drink owes its existence to a fruit that grew wild in the Yemeni desert. The Sufi mystics of Yemen were the first to roast and brew

发表于:2019-02-18 / 阅读(60) / 评论(0)

实用英语

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学英语单词

abstinence syndrome

adjustable shutter for radiator

all-optic communication network

assi

athermobiosis

automatic replenishing valve