rational
英 [ˈræʃnəl] 美 [ˈræʃənəl]

adj.

神智清楚的；理性的；理智的；合理的

n.

合理的事物；[数]有理数；懂道理的人，人类；〈英〉合理的服装

变形

复数：rationals

双语释义

adj.(形容词)

1. 神智清楚的 able to think clearly;clearheaded
2. 理性的；理智的；合理的；出于理性的 showing logical thought；reasonable;sensible

英英释义

rational[ 'ræʃənəl ]

• n.an integer or a fraction

  同义词：rational number

• adj.
  • consistent with or based on or using reason

    "rational behavior"; "a process of rational inference"; "rational thought"

  • of or associated with or requiring the use of the mind

    "the triumph of the rational over the animal side of man"

    同义词：intellectualnoetic

  • capable of being expressed as a quotient of integers

    "rational numbers"

  • having its source in or being guided by the intellect (distinguished from experience or emotion)

    "a rational analysis"

词汇搭配

用作形容词 (adj.)～+名词

• rational analysis有道理的分析
• rational argument合理的论点
• rational choice合理的选择
• rational conduct合理的行为
• rational decision合理的决定
• rational explanations合理的解释
• rational faculty推理力
• rational thought有道理的思考

词组短语

rational design合理的设计

rational choice理性选择；理性抉择

rational analysis示构分析；示性分析

rational thinking理性思维

rational construction结构合理；合理建构法

rational function[数]有理函数

rational number有理数

rational behavior理性行为

rational expectation理性预期；合理预期

rational formula有理公式

rational being理性存有

rational index有理数指数

更多收起词组短语

同近义词辨析

sensible, rational, reasonable

这组词都有“明智的，合情合理的”的意思，其区别是：

sensible一般指合乎常情、切合实际的行为与思想，侧重明白事理。

rational指有理性的，有思维推理能力，而不是凭感觉冲动从事。

reasonable一般不十分着重推理的能力，而往往用来表示合乎情理、公正或务实。

rational, reasonable

rationala.理性的，区别于无理性；理智的，区别于感情用事的。

The rational thing to do was to take the sick man to a doctor.理智的做法是送病人去看医生。

reasonablea.有道理的，公平合理的，或指人讲道理的。

That man works very hard, so it is reasonable for him to ask for more money.那个人工作努力，所以他要求加薪是合情合理的。

双语例句

用作形容词(adj.)

1. Your choice was perfectly rational under the circumstances.
   在那种情况下,你的选择是相当合理的。
2. Man is a rational being.
   人是有理性的生物。
3. No rational person would go to work in his pyjamas.
   任何神智正常的人都不会穿着睡衣去上班。

用作名词(n.)

1. The rational numbers also fit into this scheme.
   有理数也适用于这个图形。
2. A rational number can be expressed as a ratio of two integers.
   有理数可以被整数整除。

权威例句

Rational siRNA design for RNA interference.
Rational Expectations and the Theory of Price Movements
A Behavioral Model of Rational Choice
A Behavioral Model of Rational Choice
A Behavioral Model of Rational Choice
A BEHAVIORAL MODEL OF RATIONAL CHOICE
A Behavioral Model of Rational Choice
A Behavioral Model of Rational Choice
Organizations: Rational, Natural and Open Systems
The Rational Unified Process: An Introduction, Second Edition