Formal mathematical definition
[计] 形式数学定义
🧩 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
And tomorrow morning we'll all meet here to discuss the plan?
是不是明天早晨我们都聚到这里来讨论整修计划
I can't tell what will happen.
我可说不出将会发生什么事。
These days, people who do manual work often receive far more money than people who work in offices.
如今，从事体力劳动的人的收入一般要比坐办公室的人高出许多。