柯林斯詞典accession /?k?s???n/ 1. N-UNCOUNT Accession is the act of taking up a position as the ruler of a country. 繼位[正式] [with poss, oft N 'to' n] ...the anniversary of the king's accession to the throne. …國王繼承王位周年紀唸。 返回 accession劍橋詞典formal the time when someone starts a position of authority , especially a king or queen 登基；就職 1926 was the year of Emperor Hirohito's accession to the throne . 1926年日本天皇裕仁即位。 the time when a country officially joins a group of countries or signs an agreement 正式加入（國際組織）；簽署（條約） Poland's accession to the EU 波蘭加入歐盟這一情況 返回 accession