transient coherent optical effect

例句：

1. 1.The transient glow of the sunset was breathtaking.
   夕阳的短暂光芒令人叹为观止。
2. 2.The transient memory of childhood is a treasured recollection.
   童年的记忆是珍贵的回忆。
3. 3. The transient nature of time means that we can never truly know what lies ahead.
   时间的短暂性质意味着我们永远无法真正知道未来会是什么。