ephemera

n.

生命极短促之物，蜉蝣；生命极短暂之物，蜉蝣( ephemeron的名词复数 )；

复数：ephemerasephemerae

1. Amongst other pop ephemera,the auction will be selling off rock stars' stage clothes.
   在其他流行的生命短暂之物当中，拍卖会将会抛售摇滚明星的舞台服装。

Ephemera as Evidence: Introductory Notes to Queer Acts
The DOPA Ephemera: A Recurrent Motif in Invertebrates
Ephemera, Mess and Miscellaneous Piles: Texts and Practices in Families
RESPIRATORY REGULATION IN EPHEMERA SIMULANS WALKER AND HEXAGENIA LIMB AT A ( SERVILLE )
The National Provision of Printed Ephemera in the Social Sciences by John E. Pemberton
Respiratory regulation in Ephemera simulans Walker and Hexagenia limbata (Serville) (Ephemeroptera)
Life Histories of Hexagenia limbata and Ephemera simulans (Ephemeroptera) in Dauphin Lake, Manitoba
Biology of two species of Lake Erie mayflies, Ephoron album (SAY) and Ephemera simulans WALKER
Life Cycle, Energy Fluctuations and Sexual Differentiation in Ephemera danica (Ephemeroptera), a Stream-Living Mayfly
Population ecology of the commensal chironomid Epoicocladius flavens on its mayfly host Ephemera danica