ex·pi·ry
noun/ɪkˈspaɪəri/
/ɪkˈspaɪəri/
(especially British English) (North American English usually expiration)
[uncountable]- an ending of the period of time when an official document can be used, or when an agreement is legally acceptable
（文件、协议等的）满期，届期，到期 - the expiry of a fixed-term contract
定期合同的满期 - on expiry The licence can be renewed on expiry.
执照期满时可延期。 - Upon expiry of the policy, a new policy must be started.
保单到期后，必须开始新的保单。 - Your passport should be renewed before its expiry.
您的护照应在到期前更新。
Oxford Collocations DictionaryExpiry is used before these nouns:- date
- the expiry of a fixed-term contract