rational

['ræʃənəl]

adj.合理的, 理性的, 能推理的
n.有理数

a.

1. 理性的, 有理性的; 明事理的

Panic destroys rational thought.

惊慌摧毁理性思考。

2. 基于理性的, 合理的

That's a rational decision.

那是个合理的决定。

3. 【数】有理的

n.[C]

1. 合理的事物

2. 【数】有理数

词形变化

副词: rationally | 名词: rationalness |

词义辨析

同义:

a.理性的; 合理的

sensible  reasonable  thinking  logical  sound  level-headed  

同义参见:

judicious  intellectual  coherent  dialectic  mental  realistic  advisable  intelligent  enlightened  sound  sane  

反义:

a.理性的; 合理的

absurd  irrational  unreasonable  

英英释义

名词 rational:

an integer or a fraction

同义词：rational number

形容词 rational:

consistent with or based on or using reason

of or associated with or requiring the use of the mind

同义词：intellectual, noetic

capable of being expressed as a quotient of integers

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

补充

rationalrational英:[ˈræʃənl] 美:[ˈræʃənəl]adj.1.神智清楚的2.理性的; 理智的; 合理的; 出于理性的It was a rational plan and bound to succeed.这是一个合理的计划, 肯定会成功。

例句

1. Look at both sides of the case and come to a rational decision.看看问题的正反两面, 再理性决策。 2. the power of rational thought理性思维的力量 3. Rachel looked calmer and more rational now.这会儿雷切尔似乎平静一些, 也理智一些了。 4. The voice sounded perfectly rational but what it was saying was completely mad.听声音倒是再清醒不过, 说的内容却全是胡言乱语。 5. I'm sure there's a perfectly rational explanation.我确信有完全合理的解释。 6. Ursula's upset—she's not being very rational.厄休拉烦躁不安——她现在不太理智。 7. man is a rational being.人是理性动物。 8. There must be a rational explanation for why he's behaving like this.他为什么有这样的行为，必然有合理的解释。 9. a rational decision/choice理智的决定/选择 10. "I'm sure there is a rational [=sensible, reasonable] explanation for his decision."我确信他的决定有合理的解释。 11. No rational [=sane] person would behave like that.头脑清醒的人不会那样做。 12. Humans are rational beings. [=are able to use reason when thinking about something]人是有理性的生物。 13. The rationality of that statement is questionable.那种说法的合理性值得怀疑。 14. Think about the problem rationally.要理智地考虑这个问题。 15. She stayed calm and acted rationally. [=sensibly]她保持镇静并行动理智。