单词：production possibilities frontier (ppf)
单词：production possibilities frontier (ppf) 相关文章
98 hopes and possibilities words unless could should might may target impossible unlikely probable aim certain inevitable chance ambition goal accomplishment fail fulfil success successful phrases meet conditions manage to do something achieve an aim
情景英语口语100主题
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)
【俚语】 女神变女友？friends with possibilities 【英文释义】 Starting out as friends with someone, but have the possibility or potential for a relationship on the next level 【举例】 Are y'all dating yet? No we're just friends wit
英语音标发音视频
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)