Something or someone that is indispensable is so good or important that you could not manage without them
发音
例句
1. He is indispensable to our work, we cannot do it without him. 对于我们的工作来说,他是不可缺少的,没有他我们就做不了。 2. This is an indispensable part of his creed. 这是他的信条中必不可少的一部分。