gōng shì
formula
这个公式太复杂了，我不会算。
zhège gōngshì tài fùzále, wǒ bùhuì suàn.
This formula is too complicated, I can't calculate it.
老师在黑板上写了一个公式。
lǎoshī zài hēibǎngshàng xiěle yīgè gōngshì.
The teacher wrote a formula on the blackboard.
这个公式可以用来计算面积。
zhège gōngshì kěyǐ yònglái jìsuàn miànjī.
This formula can be used to calculate the area.
公式 (gōngshì)
formula
方程式 (fāngchéngshì)
equation
非正式 (fēi zhèng shì)
informal
非官方 (fēi guān fāng)
unofficial
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The Chinese word "公式" (gōngshì) is composed of two characters: "公" (gōng) and "式" (shì). The character "公" originally meant "public" or "common", but over time it has come to mean "official" or "formal". The character "式" originally meant "model" or "pattern", but over time it has come to mean "formula" or "equation". Thus, the word "公式" literally means "official formula" or "formal equation". It is used in Chinese to refer to mathematical formulas, scientific equations, and other types of formal expressions.
