1 . 发酸的牛奶

the earliest expired milk can be found in skin Egypt-yan , she likes to use fresh milk bath. occasionally finds overdue acetify milk , the skin after bathing sliding more detailed .最早发现过期牛奶可以护肤的是埃及艳后，她喜欢用鲜牛奶沐浴，偶然间发现过期发酸的牛奶，沐浴后皮肤更滑更细。

1 . 醋化

acetifier 醋化器acetify 醋化acetimeter 醋酸比重计

2 . 使酸化

acetifier 酿醋器, acetify 使酸化, acetify 乙基化

1 . 醋化的

...acetification 成醋作用〔或过程〕；醋酸化（作用）acetified 醋化的acetifier 醋化器