rational
/ˈɹæʃ(ə)nəl/ 形容词 B1中文： 合理的、有理、理性的
- Capable of reasoning. · Man is a rational creature.
- Behaving according to some partial order of preferences.
- Logically sound; not self-contradictory or otherwise absurd. · His statements were quite rational.
- Healthy or balanced intellectually; exhibiting reasonableness. · rational conduct
- Of a number, capable of being expressed as the ratio of two integers. · ¾ is a rational number, but √2 is an irrational number.
- Of an algebraic expression in indeterminates, or more generally a function: capable of being expressed as the ratio of two polynomials.
- Of a variety: (informally) geometrically simple almost everywhere; (formally) birationally equivalent to projective space
- Of a function between varieties: acting as a morphism on an open subset of its domain.
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It would surely be much more rational if conversation instead of dancing made the order of the day.”
“Much more rational, my dear Caroline, I dare say; but it would not be near so much like a ball.”
His pride never deserts him; but with the rich he is liberal-minded, just, sincere, rational, honourable, and, perhaps, agreeable,--allowing something for fortune and figure.”
Elizabeth allowed that he had given a very rational account of it, and they continued talking together with mutual satisfaction till supper put an end to cards, and gave the rest of the ladies their share of Mr.
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