transient operation

例句：

1. 1.The transient sun sets over the horizon.
   太阳在地平线上短暂地落下。
2. 2. The transientmemory of childhood is a precious treasure.
   童年的记忆是宝贵的财富。
3. 3. The transient nature oflife makes us appreciate every moment.
   生命的短暂让我们珍惜每一刻。