碱金属皂
碱析
皂化液皂化碱液
The remaining oil is treated with an alkali to remove free fatty acids (which form a soap).
ECONOMIST: Monitor
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。