necessityne•ces•si•ty /nɪ'sesɪtɪ/

n

1. C 必需品，必要的东西

• A computer is a necessity of this work. 这项工作必须用电脑。

• the bare necessities of life 生活必需品

2. U 必要性，需要

• There is no necessity to buy a car now. 现在没有必要买汽车。

• She felt the necessity of a long period of leave. 她觉得有必要放个长假了。

3. C 必然发生的事

• His resignation was a necessity. 他的辞职是必然的。

4. U 贫困，窘迫

• He used to live in dire necessity. 他曾经很穷。

词组be under the necessity of doing sth. 迫不得已做某事，必须做某事

• He is under the necessity of selling all his books. 他被迫变卖了他所有的书。

• Necessity is the mother of invention. 需要乃发明之母。

• Necessity knows(或has) no law. 迫于需要人会做违法的事。

of(或by) necessity 必定，不可避免地

• It must of necessity be so. 必然是这样的。