单词：pf curve
单词：pf curve 相关文章
Study Shows PFCs Can Reduce Vaccine Effectiveness When children are vaccinated their immune systems produce antibodies that protect them from debilitating and potentially deadly childhood infections, such as polio, measles, diphtheria and tetanus. Th
VOA标准英语2012年(二月)
to throw a curve to throw for a loop 美国人在打棒球时经常喜欢发曲线球，使球的方向会发生突变，这样给对方造成错觉，不能回击那个球。这和其他球类运动，
美国习惯用语
Harare's streets are busy as hundreds of delegates to President Robert Mugabe's annual ZANU-PF conference converge from all over the country. The annual conference is being held as the death toll continues to climb from a cholera epidemic that has f
VOA标准英语2008年(十二月)
Although Zimbabwe President Robert Mugabe's ZANU-PF party seems to have accepted, in public at least, that elections are not possible before year end, many new black farmers north of the capital were told Tuesday by senior army personnel there would
VOA标准英语2011年(一月)
Many ZANU-PF delegates say they want to decide who will succeed President Robert Mugabe, who will be 86 in February. President Robert Mugabe received fewer votes in the presidential election last year than MDC leader Morgan Tsvangirai. Peta Thornycro
VOA标准英语2009年(十二月)
A senior ally of Zimbabwe's President Robert Mugabe has accused the European Union of undermining the power sharing agreement with Prime Minister Morgan Tsvangirai. The charge follows the first visit to Zimbabwe by senior EU officials since the Euro
VOA标准英语2009年(九月)