单词：nevi
单词：nevi 相关文章
This is the VOA Special English Development Report. Researchers say they have found a way to extend the storage life of a drug used to treat H.I.V. Their work could give infected mothers in the developing world a new way to prevent the spread of the
2010年VOA慢速英语(五)月
By Carolyn Weaver Uganda 31 May 2006 watch Uganda and AIDS report Experts say Ugandan women and children remain at special risk of HIV infection Uganda's program promoting abstinence, being faithful in marriage and condom use is often credited with
2006年VOA标准英语（五月）
This is the VOA Special English Health Report. We talked last week about the value of breastfeeding for a babys development. But getting the milk into the baby can seem difficult, at least at first. So here is some advice. Breastfeeding should begin
VOA慢速英语2008年（二）月
By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese
2007年VOA标准英语（一月）