n.朝生暮死，无常的事物，短命，短（暂）的事物

The beauty of cherry blossoms is heightened by their ephemerality; they bloom vibrantly but fade away quickly.
樱花之美因其转瞬即逝而更加动人；它们盛开得灿烂却迅速凋零。
Social media posts often exemplify ephemerality, as content can be here today and gone tomorrow.
社交媒体帖子常常体现出短暂性，因为内容可能今天还在，明天就消失了。
The ephemerality of childhood memories is what makes them so precious and bittersweet.
童年记忆的短暂性使得它们如此珍贵而又苦乐参半。
Fireflies, with their fleeting glow, embody the concept of ephemerality in nature.
萤火虫以其短暂的光芒，体现了自然界中的短暂性概念。
Fashion trends are characterized by ephemerality; one season's must-have can become next season's passé.
时尚潮流的特点就是短暂性；这一季的必备单品可能会成为下一季过时的东西。
Internet memes, due to their ephemerality, often reflect the zeitgeist of a particular moment in time.
由于互联网迷因具有短暂性，它们往往反映出特定时刻的时代精神。
Sandcastles, despite their ephemeral existence, inspire joy and creativity in those who build them.
尽管沙堡的存在是短暂的，但却激发了建造者们的快乐和创造力。
The art installation emphasized the ephemerality of life through its gradual disintegration over time.
这件艺术装置通过随着时间逐渐瓦解的方式强调了生命的短暂性。
The butterflies' short lifespan serves as a poignant reminder of life’s ephemerality.
蝴蝶的短暫寿命对生命的短暂性做出了深刻的提醒。
In photography, capturing moments of ephemerality is a way to eternalize the fleeting beauty around us.
在摄影中，捕捉那些短暂瞬间是一种将我们身边稍纵即逝的美永恒化的方式。