age of life的用法和样例：
- Even at the age of 75, Thelma was very vivaciousfull of life.
- Even at the age of 75, Thelma was very vivacious and full of life.
- It is a fact of life and you must face it.
- When she died last year at the age of 84, people from all walks of life were swift and generous in their eulogies.
- It is said that with her wistful sighs, she can summon an army of Life eager to restore an age of innocence.
- The average age of the boys in this class is fifteen.