Rational mechanics
[计] 理论力学
🧩 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
You know, man's best friend is his dog.
你知道的，类最好的朋友就是狗。
The first step to virtue is to abstrain from vice.
不作恶是走向美德的第一步。
(Looking at the other woman) I'm sorry, but I don't think I know you.
（瞅着玛蒂尔德）很抱歉，我想我不认识你呀。