- [uncountable] accession (to something)
the act of getting a position of rank or power （國家統治者的）就職，就任；（君主、帝王等的）登基，即位 the accession of Queen Victoria to the throne 維多利亞女王即位 Charles I’s accession to the throne 查理一世登基 on her accession to the leadership 她一當上領導
- [uncountable] accession (to something)
the act of becoming part of an international organization 正式加入（國際組織） the accession of new member states to the EU 新成員國正式加入歐盟 the new accession states of the EU 正式加入歐盟的新成員國
- [countable] (specialist)
a thing that is added to a collection of objects, paintings, etc. in a library or museum （圖書館、博物館的）新增項目，新增藏品，新增藏書
Word Originlate 16th cent. (in the general sense ‘something added’): from Latin accessio(n-), from the verb accedere ‘approach, come to’ from ad- ‘to’ + cedere ‘give way, yield’.