佩服，佩服啊！大家一定想知道为什么这小小的醋会有这么多的用途吧。其实呢，醋的主要成分是醋酸。
pèifú ，pèifú ā ！dàjiā yīdìng xiǎng zhīdào wèishénme zhè xiǎoxiǎo de cù huì yǒu zhème duō de yòngtú ba 。qíshí ne ，cù de zhǔyào chéngfèn shì cùsuān 。
Wow, I really admire your knowledge! I'm sure everyone wants to know how vinegar could have so many uses! Actually, the main ingredient in vinegar is acetic acid.