Formal system
[计] 形式系统
🧩 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
You mean from the food?
是不是吃东西引起的？
The friar preached against stealing and had a goose in his sleeve.
嘴上真君子，行动烂小人。
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。