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
Look, they have a special offer on leather shoes.
看，他们这儿皮鞋有特殊优惠。
I took 6 boxes of biscuits.
我拿了六盒饼干。
It seems to me that be would like to go back home.
我觉得他好象想要回家。