单词 retention 释义 retention|rtnn|Also 5 -cion, -cioun, 7–8 -sion.[a. OF. retencion, -tion:—L. retentin-em, noun of action f. retinre to keep back, retain. So Sp. retencion, It. ri-, retenzione.]1. Med. a. The fact of retaining within the body one of...
单词 retention 释义 retention n[U, sing] (fml 文)1 possession or use of sth 具有; 具备; 享有; 享用 retention of one´s rights, privileges, etc 权利、 特权等的享有 the full retention of one´s (mental) faculties (心智)能力的健全. 2 ability to...