At Harvard, the library is an indispensible part of everybody's life.

在哈佛，图书馆是每个人生活中不可缺少的一部分。

He said the United States is the most " indispensible" nation in the world.

他说，美国是世界上最“必不可少的”国家。

Harry was an indispensible part of the mingled outpourings of jubilation and mourning, of grief and celebration.

无论是欢庆的还是悲伤的、欢乐的还是难过的人们，都不想让哈利离开。