// 1. 建堆：从最后一个非叶子节点开始向上调整
23:55, 27 февраля 2026Бывший СССР
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Even a single night of road traffic noise, at levels that are typical of those living in a city, causes stress to the heart and blood vessels
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Maternity services under strain as report finds insufficient staffing levels
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36，详情可参考heLLoword翻译官方下载