ephemeral

名词 ephemeral:

1. anything short-lived, as an insect that lives only for a day in its winged form
   同义词：ephemeron

形容词 ephemeral:

1. lasting a very short time
   同义词：passing, short-lived, transient, transitory, fugacious

1. Such novels came forward to enjoy ephemeral popularity only.
   这样的小说只是昙花一现的东西而已。
2. Perhaps the least prepossessing quality of Fox was that he cares too much about the ephemeral in politics: and Ford displays excessive zeal, to my mind, in teasing out these cares to the last twist and turn.
   也许福克斯最不逗人喜欢的一点就是他把短促的政治生命看得过于重了。而在我看来，福特在诱使福克斯说出他的这些关心时显得过分热情，手法千奇百怪，使尽了手段。
3. Short-lived or ephemeral, as a life.
   短命的或短暂的，如生命

e.phem.er.al

adj.（形容词）
Lasting for a markedly brief time:
短暂的：只存在很短一段时间的：
例句：
.There remain some truths too ephemeral to be captured in the cold pages of a court transcript or . . . opinion.(Irving R. Kaufman)
.在法庭记录和意见的冰冷纸页中还残留着一些存在时间太短而不可捕捉的真理.(欧文R.考夫曼)

Living or lasting only for a day, as certain plants or insects do.See Synonyms at transient
短命的：生命只延续一天的，如某些植物或昆虫参见 transient
n.（名词）
A markedly short-lived thing.
生存极短时间的事物

来源：
From Greek ephômeros
源自 希腊语 ephômeros
ep-, epi- [epi-]
ep-, epi- [在…之前]
hômera [day]
hômera [日]

【引伸】
ephem.eral.ity 或
ephem.eralness
n.（名词）
ephem.erally
adv.（副词）