这款疫苗的配方经过多轮验证,才获准进入临床试验。Zhè kuǎn yìmiáo de pèifāng jīngguò duō lún yànzhèng, cái huòzhǔn jìnrù línchuáng shìyàn.The formulation of this vaccine went through multiple rounds of validation before being approved for clinical trials.
奶奶的汤有一个特别的配方,她从不告诉别人。Nǎinai de tāng yǒu yī gè tèbié de pèifāng, tā cóng bù gàosu biérén.Grandma's soup has a special recipe that she never tells anyone.
工厂改了配方,新饮料没有那么甜了。Gōngchǎng gǎi le pèifāng, xīn yǐnliào méiyǒu nàme tián le.The factory changed the formula, and the new drink isn't as sweet.