麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

saponification

音標[s?,p?nifi'kei??n]
saponification是什么意思、saponification怎么讀

saponification漢語翻譯

n. 皂化
【化】 皂化
【醫(yī)】 皂化[作用]

saponification英語解釋

名詞 saponification:

  1. a chemical reaction in which an ester is heated with an alkali (especially the alkaline hydrolysis of a fat or oil to make soap)
0
糾錯