bǐngsuān / shì / yìzhǒng / wúsè / yè tǐ / cháng / yòngyú / shēngchǎn / fángfǔjì / hé / xiāngliào

丙酸是一种无色液体，常用于生产防腐剂和香料。

Propionic acid is a colorless liquid commonly used to produce preservatives and fragrances.