Serial and rotation
[经] (电报密押的)次数和转数
🧩 词语组成解析
serial
['siəriəl;'siriəl]
adj. 连续的;连载的;顺序排列的;分期偿付的;
n. 连载小说;电视连续剧;定期刊物;[军]行军梯队;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
I've been studying all day, and I'm sick and tired of it.
我学了一天，现在感到厌倦。
It is too late to come with the water when the house is burnt down.
马后炮。
A man who had broken his right leg was taken to hospital a few weeks before Christmas.
圣诞节前几周，某人摔断了右腿被送进医院。