Rational number
[计] 有理数\\n[经] 有理数
🧩 词语组成解析
rational
['ræʃnəl]
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;
ration定量，计算+al...的→通过计算的→合理的
🗣️ 情景例句
And we brought someone along who can help.
而且我们带来了能帮助我们的人。
His ear is wounded, Does it hurt?
他的耳朵受伤了，疼不疼？
Not to grasp firmly is not to grasp at all.
抓而不紧等于不抓。