Impermanent

[ɪm'pɜːmənənt] or [ɪm'pɝmənənt]

解释:

(adj.) existing or enduring for a limited time only .

(adj.) not permanent; not lasting; 'politics is an impermanent factor of life'- James Thurber; 'impermanent palm cottages'; 'a temperary arrangement'; 'temporary housing' .

整理:塞丽娜--From WordNet

解释:

(a.) Not permanent.

克莱夫整理