rational

【发音】

美 /'ræʃnəl/ 英 /'ræʃnəl/

【翻译】

1. adj.神智清楚的

   英释:A rational person is someone who is sensible and is able to make decisions based on intelligent thinking rather than on emotion

【短语】

1. rational design : 合理的设计

2. rational choice : 理性选择；理性抉择

3. rational analysis : 示构分析；示性分析

4. rational thinking : 理性思维

5. rational construction : 结构合理；合理建构法

6. rational function : [数]有理函数

7. rational number : 有理数

8. rational behavior : 理性行为

9. rational expectation : 理性预期；合理预期

10. rational formula : 有理公式

11. rational being : 理性存有

12. rational index : 有理数指数

【例句】

1. Did he come across as a sane, rational person?

   他看上去是不是一个头脑清醒而理智的人？

【真题例句】

1. (2017.12 • CET4 • • 听力题)...They are always polite and rational people...

2. (2016.6 • CET4 • 第一套 • 阅读理解)...The author thinks her friend made a rational decision in choosing a more hospitable place over an apparently elegant assisted living home...

3. (2016.6 • CET4 • 第一套 • 阅读理解)...that might have been as rational a way as any to reach a decision...

4. (2013.6 • CET4 • 第一套 • 阅读理解)...many regulations that don't assume people make rational choices have been successfully applied to control alcohol...

5. (2012.6 • CET4 • • 写作题)...Only in this way can we reduce unnecessary waste and have a rational and pure shopping condition...

6. (2012.12 • CET4 • 第一套 • 阅读理解)...We need to think about the rational use of health care...

【同、近义词】

1. adj.合理的；理性的

   reasonable/logical/possible/just/legitimate/

【同根词】

1. adj

   rationalistic : 理性主义的；纯理论的

2. adv

   rationally : 理性地；讲道理地

3. n

   rationale : 基本原理；原理的阐述

   ration : 定量；口粮；配给量

   rationality : 合理性；合理的行动

   rationalization : 合理化

   rationalism : 理性主义；唯理主义

   rationalisation : 合理性（等于rationalization）

   rationalist : 理性主义者，唯理主义者

4. vi

   rationalize : 实行合理化；作辩解；合理地思考

5. vt

   ration : 配给；定量供应

   rationalize : 使……合理化；使……有理化；为……找借口

   rationalise : 合理地说明（等于rationalize）