连合细胞

By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The

发表于:2018-12-01 / 阅读(104) / 评论(0) 分类 VOA2003(下)-环境与健康

The International Criminal Court is widely expected to announce that it will open investigations to identify and prosecute the main perpetrators of post-election violence in Kenya. Cathy Majtenyi | Nairobi 15 December 2009 Post-election violence in K

发表于:2019-01-31 / 阅读(40) / 评论(0) 分类 VOA标准英语2009年(十二月)

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(118) / 评论(0) 分类 英语新闻

By Scott Bobb Johannesburg 18 September 2007 South Africa's Human Rights Commission has launched hearings into labor relations and land rights on the country's farms. The hearings follow a threat by a government minister to seize the land of farmer

发表于:2019-02-06 / 阅读(66) / 评论(0) 分类 2007年VOA标准英语(九月)

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(163) / 评论(0) 分类 趣味英语

WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻