ephemerous

adj.=ephemeral

短暂的；朝生暮死的；转瞬即逝的。

形容词

1. The beauty of the flowers is ephemeral - they bloom for only a few days before wilting.（这些花的美丽是短暂的，它们只会盛开几天就凋谢了。）
2. The fame of many celebrities is often ephemeral, as they can quickly be forgotten by the public.（很多名人的名望往往是转瞬即逝的，因为他们会很快被公众遗忘。）