加拿大生活信息 奥巴马核峰会闭幕词 在加拿大 US President Obama’s Closing Remarks, Press Conference at Nuclear SummitWashington Convention CenterApril 13, 2010 Good afternoon, everybody. We have just concluded an enormously productive day.大家好。我们刚刚结束了成就斐然的...华人论坛 日期：2020-11-18