Saponification of fats
[化] 油脂皂化
?? 詞語組成解析
n. 皂化\\n[化] 皂化
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
n. 育肥待上市的家畜；（食用的）動植物油（fat的復數）
??? 情景例句
How's that again.
你再說一次？
He that gains well and spends well needs no account book.
收支正當，無須記帳。
After her husband had gone to work.
理查茲夫人等丈夫上班走后，