retention [rɪ'ten.tʃən] noun uncountable slightly formal ■the continued use, existence or possession of something or someone 保留;保持;维持•Two influential senators have argued for the retention of the unpopular tax.两位有影响的参议员主张保留这项不得人心的税收。 •The retention of old technology has slowed the company's growth.死守着旧技术不放减缓了这家公司的发展。 •water/heat retention水份保持/热量滞留 |