Formal theory
[计] 形式理论
🧩 词语组成解析
formal
['fɔ:məl]
adj. （学校教育或培训）正规的;方式上的;礼仪上的;
n. <美>须穿礼服的社交集会;<口>夜礼服;
🗣️ 情景例句
That's not what I had in mind.
我想要的可不是这个。
A change of work is as good as a rest.
调换一下工作是很好的休息。
He's doing very well in the navy.
他在海军里干得很出色。