// 1. 建堆：从最后一个非叶子节点开始向上调整
"The NHS is issuing immediate guidance to hospitals to ensure trauma and urgent care can safely continue and to support prioritisation of waiting lists based on patients' needs over the coming weeks."
。Line官方版本下载是该领域的重要参考
'Houston, we've had a problem'
Мощный удар Израиля по Ирану попал на видео09:41