Formal variable
[计] 形式变量
🧩 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
I would like to mail this package.
我想把这包裹给寄了。
I don't know the answer, but let me ask Mr. Chen to comment on that.
我不知道答案，让我问一下陈先生看他有什么看法。
We were both lucky. I think she is a hero too!
我们俩都很走运。我认为她也是个英雄。