本法所称原子能，也称核能，是指裂变、聚变、衰变等核反应释放的能量。
Donald Trump has suggested the US could carry out a “friendly takeover” of Cuba as tensions between Washington and Havana reach a new high after the capture of Venezuela’s Nicolás Maduro.
。91视频是该领域的重要参考
The astronauts were helped on to a stretcher, which is standard practice after spending so long in the weightless environment.
bytes per frame 3529
7月1日，甘肃天水麦积区褐石培心幼儿园因违规使用添加剂，导致上百名幼儿血铅异常甚至中毒的事件引发全国关注。官方通报称，事件原因是幼儿园提供的三色枣发糕、玉米肠卷等食品中的添加剂超标。期间，因天水当地检测结果与幼儿在西安、上海等地异地就医检测结果差异悬殊、天水过往曾发生同类铅中毒事件等因素，引发争议与疑虑。