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万花筒 2010-11-07&11-09 普通感冒有望治愈？

Sneezing, coughing, and sniffing. Welcome to winter and the common cold virus, a cure for which has eluded for years. But now a major breakthrough by scientists in Cambridge University brings that cure a step closer, as they've discovered a new way t

发表于:2018-12-11 / 阅读(87) / 评论(0)

万花筒2010年

60秒科学:先进啊,古代就有了四环素

Evidence mounts that ancient Nubian brewers purposely made beer so that it contained a dose of antibiotic tetracycline. Christopher Intagliata reports 有证据表明努比亚的啤酒制造者故意在啤酒中加入抗菌四环素。 In 1980, a sci

发表于:2019-01-02 / 阅读(161) / 评论(0)

60秒科学

SSS 2010-09-06

In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

发表于:2019-01-08 / 阅读(105) / 评论(0)

Scientific American(九)月

VOA标准英语2012--Nano Tool Watches Teardrop Protein Destroy Bacteria

Nano Tool Watches Teardrop Protein Destroy Bacteria About a hundred years ago, a Scottish biologist discovered that proteins called lysozymes in human tears can kill bacteria. Scientists have studied the enzyme extensively, but molecular biologist Gr

发表于:2019-01-13 / 阅读(93) / 评论(0)

VOA标准英语2012年(一月)

VOA标准英语2014--Photos as Window on the World 照片成了解世界的窗口

Photos as Window on the World 照片成了解世界的窗口 LOS ANGELES Photography offers a window on the world, and a recent photo exhibition shows how the camera is bringing people together globally. Artist Joy Feuer is arranging an art installat

发表于:2019-01-14 / 阅读(139) / 评论(0)

VOA标准英语2014年(一月)

科学美国人60秒 SSS 2014-09-15

Sepsis is a potentially deadly inflammatory condition caused by infections. Muppet creator Jim Henson was a famous victim. Proper treatment of sepsis can require knowing what bacteria or virus caused the infection. But the identification can take day

发表于:2019-01-20 / 阅读(93) / 评论(0)

2014年Scientific American(九)月

英语听力：自然百科地中海净化行动

Volcanoes forged the rocky coast of Cabo de Gata in southeast Spain. But the tides blanket it with reef-like structures built by snails. An algine marine biologist Diego Moreno says this sea of life can be deadly. Filth and contaminants accumulate on

发表于:2019-01-22 / 阅读(104) / 评论(0)

自然百科2008年

老友记精校版第1季第17期:参加助产培训班(5)

Monica: Actually, we were going to have lasagna. 实际上，我们本来是要吃千层面的。 Mr. Geller: oh, I love lasagna. 哦，我喜欢千层面。 Monica: But now we are not having it. 不过我们现在没有了。 Mrs. Geller: Then why y

发表于:2019-01-30 / 阅读(138) / 评论(0)

老友记精校版第1季

英语听力文摘 English Digest 327、吸血蝙蝠能挽救生命？

Bat Spit 蝙蝠的唾液 Anyone who reads gothic fiction will tell you that vampires are bad news. People who read modern medical journal s , however, might disagreein fact, they think vampires just might help save lives. The kind of vampire Im talki

发表于:2019-02-24 / 阅读(95) / 评论(0)

英语听力文摘 English Digest

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学英语单词

a blumpkin

anode sensitivity characteristic

antifriction ring

antistroke

Arapaho(e)

arteriae auricularis posterior

attaintment

audio-lingual materials

authoress

Bacillus bovis morbificans

Belbo, Torrente