thereuponKK [ˏðɛrəˋpɑn] /ˌðɛɹəˈpɑn/發音副詞1隨即、立刻、接著正式He read the letter and thereupon left the room without a word.他讀完那封信,隨即一言不發地走出房間。2於是、因此正式The contract was breached, and thereupon the company took legal action.合約遭到違反,於是公司採取了法律行動。3就此、關於此事正式The committee received the report and issued a ruling thereupon.委員會收到報告後就此作出裁定。