indispensable [ˌɪndɪˈspɛnsəbəl]

例句:

• An intelligent computer will be an indispensable diagnostic tool for doctors.
  智能计算机将成为医生不可或缺的诊断工具。
  
• I don't think any exotic plants are indispensable.
  来自BBC
• Kitchen gadgetry remains indispensable to the hurly-burly of twentieth-century life.
  来自House Garden
• 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。
  
• 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.
  
• An indispensable part of man's moral and mental outfit.
  来自fig.
• It is our indispensable duty.
  那是我们应尽的责任。
  来自《权威词典》
• This is an indispensable book.
  这是一本必不可少的书。
  来自《权威词典》