adj.

1. 神智清楚的

2. 理性的；理智的；合理的；出于理性的

3. 理智的；清醒的

词形变化

副词rationally

名称rationalness

英语解释

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

of or associated with or requiring the use of the mind

consistent with or based on or using reason

an integer or a fraction

capable of being expressed as a quotient of integers