4. 瞬息的:ephemeral system 暫時(shí)性水系 | ephemeral 瞬息的 | ephemerides ephemeris的復數
ephemeral詞典解釋
1. 短暫的;瞬間的 If you describe something as ephemeral, you mean that it lasts only for a very short time.
e.g. He talked about the country's ephemeral unity being shattered by the defeat... 他談到戰敗使得該國短暫的統一徹底破滅。 e.g. These paintings are in some ways a reminder that earthly pleasures are ephemeral. 這些畫(huà)在某種意義上提醒人們世俗的享樂(lè )是短暫的。
ephemeral英英釋義
noun
1. anything short-lived, as an insect that lives only for a day in its winged form
Synonym: ephemeron
adj
1. lasting a very short time
e.g. the ephemeral joys of childhood a passing fancy youth's transient beauty love is transitory but it is eternal fugacious blossoms