indispensable
adj. 不可缺少的; 绝对必要的; 责无旁贷的; 不可避开的
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.
She was becoming indispensable to him.
他已变得越来越离不开她了。
...the indispensable guide for any traveller in France.
在法国对任何游客来说都不可缺少的向导
1. not to be dispensed with; essential;
2. absolutely necessary; vitally necessary;
3. unavoidable;
indispensable, essential, necessary, requisite
这些形容词均有"必不可少的,必需的"之意。
It is an output device, the computer will one of the indispensable components.
它是一个输出设备, 是电脑必不可缺少的部件之一.
Starch is indispensable to life.
淀粉对生命是不可或缺的.
Business leaders agree: the project management profession is indispensable for business results.
商业领袖们认为: 项目管理专业知识与商业运营结果密不可分.
Liquor blending , as an indispensable processing procedure, is of vital importance in liquor production.
白酒勾调技术工作非常重要, 是白酒生产中不可缺少的工艺环节.
Additional, the change of international situation also is an indispensable main factor.
另外, 国际形势的变化也是一个不可缺少的重要因素.