indispensable的词典解释

1. 必需的，必不可少的，不可或缺的
2. 不能撇开的，不能省却的，省不了的
3. 责无旁贷的，不能推卸的，不能避免的
4. 重要的，主要的，必要的

1. 必不可少的人
2. 不可缺少之物
3. 必需品

1. not to be dispensed with; essential;

   "foods indispensable to good nutrition"
   

2. absolutely necessary; vitally necessary;

   "essential tools and materials"
   "funds essential to the completion of the project"
   "an indispensable worker"
   

3. unavoidable;

   "the routine but indispensable ceremonies of state"
   

1.必不可少的;不可或缺的
If you say that someone or something isindispensable, you mean that they are absolutely essential and other people or things cannot function without them.

e.g. She was becomingindispensable to him.
他已变得越来越离不开她了。
e.g. ...theindispensable guide for any traveller in France.
在法国对任何游客来说都不可缺少的向导

• indispensable duty应尽的责任
• indispensable medical assistance必不可少的医疗援助

• indispensable for〔to〕对…是必不可少的
• indispensable to life对生命不可缺少的

• The citizens..had purchased an exemption from the indispensable duty of defending their country.

  出自：Gibbon

• ☆ 1530年左右进入英语，直接源自中古拉丁语的indispensabilis，意为必不可少的。