参考例句

1. Diagrams and graphs are indispensable visual aids in many aspects of economics.

   图形和图解在经济学的许多方面是重要的形象工具。

2. Of all the dispositions and habits, religion and morality are indispensable supports.

   所有的意向和习惯中，宗教和道德是不可缺的支柱。

3. Amid these jarring events Collin felt one thing to be indispensable .

   在这种龃龉的事件之中，克林觉得有一样事非办不可。

4. The hot water rinse was found to be indispensable to remove the soap.

   为除去皂液，用热水冲洗是必要的。

5. In certain circumstances, other theorems may be advantageous or even indispensable .

   在某种情况下，用其它定理可能是有利的，甚至是不可缺少的。

6. A good dictionary is indispensable for learning a foreign language.

   学习外语离不开好的词典.

7. Dr. Morgenstern's indispensable assistance in this regard is gratefully acknowledged.

   我们对于莫根施特恩博士在这方面给予的不可缺少的协助深表感谢。

8. Indispensable for the observer is a good star atlas, containing all naked eye stars.

   观测者必须具备一份包括肉眼能看到的所有天体的好星图。

9. It is universally acknowledged that trees are indispensable to us.

   全世界都知道树木对我们是不可或缺的。

10. They were all men who were indispensable about a house.

    他们都是家里缺少不得的人手。

同义词

• essential
• necessary
• needed
• required
• vital

反义词