| 释义 |
expiration 2 ENTRIES FOUND: expiration (noun) expiration date (noun) expiration /ˌɛkspəˈreɪʃən/ noun expiration /ˌɛkspəˈreɪʃən/ noun Learner's definition of EXPIRATION [noncount] 1 : the fact of coming to an end or no longer being valid after a period of time : the fact of expiring到期；期满；届期 the patent's expiration专利期满 one month after the expiration of the contract合同期满后一个月 2 medical : the act of breathing out呼气；吐气 inhalation and expiration [=exhalation]吸气和呼气 |