adj.转瞬即逝的，短暂的，闪现的

The beauty of the sunset was truly fleeting, captured in a moment before disappearing behind the horizon.
夕阳的美真是稍纵即逝，在消失在地平线之前被瞬间捕捉。
Our childhood friendship was a fleeting memory, but it left an indelible mark on our hearts.
我们儿时的友谊虽短暂，却在心中留下了永久的痕迹。
Time spent with loved ones is fleeting, so cherish every moment you have together.
与爱人的时光是短暂的，所以要珍惜每一刻。
The idea seemed brilliant at first, but its novelty soon gave way to fleeting interest.
这个想法起初看起来很聪明，但很快就只是昙花一现的兴趣。
Her smile was a fleeting expression that revealed her inner happiness.
她的微笑是一闪而过的情感流露，显示了内心的快乐。
The butterfly's life is fleeting, from egg to adult, but its beauty is breathtaking.
蝴蝶的生命虽然短暂，从卵到成虫，但它的美丽令人惊叹。
The scent of fresh flowers is a fleeting delight, filling the air with their sweet fragrance.
新鲜花朵的香气是短暂的愉悦，空气中弥漫着它们的甜美芬芳。
The fleeting glimpse of the legendary creature left many wondering if it was real or just a figment of imagination.
传说中的生物的一瞥让人怀疑它是否真实存在，还是仅仅是想象的产物。
Life is a fleeting journey, so make each step count and pursue your dreams fearlessly.
人生是一场短暂的旅行，所以要让每一步都有价值，勇敢追求你的梦想。
The fleeting snowfall transformed the city into a winter wonderland for a brief moment before melting away.
短暂的降雪使城市变成了一个短暂的冬季仙境，然后就融化殆尽了。