頭伏詞典解釋 (詳細解釋)十天或二十天;再后是末伏,若竇娥委實冤枉,詞語解釋: 反義詞:三伏近義詞:夏至后第三個庚日起為初伏,[the first of the three ten—day periods of the hot season] 三伏之一;見“初伏”天降三尺瑞雪,