If you say that someone or something is indispensable, you mean that they are absolutely essential and other people or things cannot function without them. 必不可少的
adjective [原级] 不可或缺的，必需的；不能撇开的，责无旁贷的
She was becoming indispensable to him. 对他来说她正变得不可或缺。
noun [专属名词] 不可缺少之物，必不可少的人
She made herself indispensable to the department. 她成为这个部门不可缺少的一分子。
in(不) + dispensable(可有可无的) → 不是可有可无的 → 必不可少的
- 网友用 “Indispensable” 造句精选
- Cars have become an indispensable part of our lives. 汽车已成了我们生活中必不可少的一部分。