终身年金

例句：

1. 1. The ancient city's perpetuity is a testament to its rich history.
   这个古城的永恒是其丰富历史的一个见证。
2. 2.The scientist's perpetuity in the field of physics has earned him worldwide recognition.
   这位科学家在物理学领域的持久贡献使他获得了全球的认可。
3. 3.The story of the perpetuity of the ancient civilization will be told for generations to come.
   这个古老文明的持久故事将被一代又一代人讲述。