单词：uninoculated
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The History Of Smallpox天花的历史（双语） In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or co
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The History Of Smallpox In Shakespeares day, wishing a pox on someone was a terrible curse. Ten percent of the population in 17th century London died gruesomely of smallpox, a virus spread easily by airborne particles or contaminated clothing. Infect
英语听力文摘 English Digest
Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding
VOA标准英语2011年(八月)
Pakistan Moves to Contain Polio Virus after Travel Sanctions 国际旅行禁令后巴基斯坦开始遏制脊髓灰质炎病毒蔓延 RAWALPINDI, PAKISTAN Pakistan is moving quickly to try to contain the polio virus after the World Health Organizatio
VOA标准英语2014年(五月)
What is more, I cannot criticise my parents for hoping that I would never experience poverty. They had been poor themselves, and I have since been poor, and I quite agree with them that it is not an ennobling experience. Poverty entails fear, and str
名校励志英语演讲
What I feared most for myself at your age was not poverty, but failure. 像你们这么大时我最害怕的不是贫穷，而是失败。 At your age, in spite of a distinct lack of motivation at university, where I had spent far too long in the cof
偶像励志英语演讲
Tried everything and still got the flu this year? While some friends and colleagues always seem to avoid it. Well, they may have more than luck on their side. Scientists have discovered that however hard you try to avoid it; flu is in your genes。 A
实用英语
Tried everything and still got the flu this year? While some friends and colleagues always seem to avoid it. Well, they may have more than luck on their side. Scientists have discovered that however hard you try to avoid it; flu is in your genes。 A
实用英语
So you didnt have a perfect childhood? Sorry for your loss. What a great excuse you may have for not going all the way to make your dreams come true. 你的童年不够美好？对此我深表遗憾。可这又算什么理由，竟能阻碍你一路追
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By CCTV Tang Bo Chinas three major hepatitis B vaccine makers have been ordered to suspend production. The countrys Food and Drug Administration made the announcement after the companies failed to get certified under the new Pharmaceutical Products s
CCTV9英语新闻2014年01月
Verily, a polluted stream is man. 诚然，人生是一污秽底川流， One must be a sea, to receive a polluted stream without becoming impure. 要能涵纳这川流而不失其清洁，人必需成为大海。 Lo, I teach you the Superman: he is
扎拉图斯特拉如是说