accession
/ækˈseʃn; æk`sɛʃən/ n ~ (to sth) 1 [U] reaching a rank or position 达到某一级别或地位: celebrating the queen's accession (to the throne) 庆祝女王登基. 2 (a) [C] thing added, esp a new item in a library, museum, etc 增添物（尤指图书馆, 博物馆等的新书或展品）: recent accessions to the art gallery 美术馆最近增添的展品. (b) [U] action of being added 增添; 增加: the accession of new members to the party 新党员的增加.v [Tn] record the addition of (a new item) to a library, museum, etc 将（图书馆, 博物馆等的新书, 新展品）登记入册.
