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HEALTH REPORT - New Embryonic Stem Cell Lines Developed for

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(53) / 评论(0)

健康与经济

VOA英语2010年-Research Finds Possible New Way to Attack Sl

African sleeping sickness affects mostly rural people in 36 sub-Saharan countries. The World Health Organization says there are currently an estimated 30,000 cases. Left untreated, it is fatal. Sleeping sickness is caused by a parasite that is transm

发表于:2019-01-13 / 阅读(36) / 评论(0)

VOA标准英语2010年(十二)月

美语听力 English Café 428

Topics: Famous Americans - Jim Thorpe; United Code of Military Justice Common Crimes; pre-paid cell phones; abbreviation versus acronym; a matter of form Words: intramural team hurdle pentathlon decathlon amateur posthumously absent without leave des

发表于:2019-01-22 / 阅读(46) / 评论(0)

美语听力 English Cafe

VOA常速英语2008年-Adult Stem Cells Show Medical Promise

By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds

发表于:2019-01-25 / 阅读(212) / 评论(0)

VOA常速英语2008年（二月）

万物简史第429期:生命的起源(23)

Compared with the new eukaryotes the old prokaryotes were little more than bags of chemicals, in the words of the geologist Stephen Drury. 地球已经朝着真正有意思的行星迈出了第一步。与新的真核细胞相比，旧的原核细胞借

发表于:2019-02-17 / 阅读(54) / 评论(0)

万物简史

留美老师带你每日说英文第462期:接近真实的人性

台湾籍旅美老师今天交给我们的句子是： I'm so tired of performing in a pageantry of vanity that conform into this accepted form of digital insanity. Call me crazy, but I imagine a world where we smile when we have low batteries, cuz t

发表于:2019-03-05 / 阅读(71) / 评论(0)

留美老师带你每日说英文

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