25 March 2008, Cusco/Rome - With cereal prices soaring worldwide, an international conference opens in Cusco, Peru today on a crop that produces more food on less land than maize, wheat or rice.是什么意思_25 March 2008, Cusco/Rome - With cereal prices soaring worldwide, an international conference opens in Cusco, Peru today on a crop that produces more food on less land than maize, wheat or rice.在线翻译_英语_读音_用法_例句