ephemeral
adjective /ɪˈfemərəl/
/ɪˈfemərəl/
(formal)- lasting or used for only a short period of time
synonym short-lived短暂的;瞬息的 - ephemeral pleasures
短暂的欢乐 - leaflets, handouts and other ephemeral material
传单、传单和其他短暂的材料 - It is a critic’s job to follow every ephemeral fashion.
追随每一种短暂的时尚是评论家的工作。
词源late 16th cent.: from Greek ephēmeros (see ephemera) + -al. - ephemeral pleasures