ephemerous

adj.

朝生暮死的，短暂的，短命的；

Lichens on leaves in tropical rain forests: Life in a permanently ephemerous environment
Ephemerous drinking-cup and advertising medium
[Five Astragalus (Fabaceae) previously considered as ephemerous in Belgium]
money and power: the ephemerous miracle of Argentinean barter networks
Anostraca and Notostraca in the ephemerous water bodies of the Black Sea Reserve
New records in vascular plants alien to Kyrgyzstan
New records of interesting xenophytes in Spain.
The tactical-integration model for the treatment of dissociative identity disorder and allied dissociative disorders
The marine photosynthetic carbon isotopic fractionation remained constant during the Early Oligocene
Hebella parasitica (Cnidaria, Hydroida): A thecate polyp producing an anthomedusa