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
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Not necessarily.
不见得。
As the man tried to swing the speedboat round, the steering wheel came away in his hands.
当那人试图让快艇转弯时，方向盘脱手了。