?? 詞語組成解析
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];
坦嫩貝格（地名）
??? 情景例句
Right, fifth word.
對， 第五個字。
All things are difficult before they are easy.
凡事必先難后易。
It had been baked by a college student who had used over 1,000 pounds of flour, 800 pounds of sugar, 200 pounds of fat, and 400 pounds of various other ingredients.
它是由一個大學生烘制的，用去1，000多磅的面粉、800磅食糖、200磅動物脂肪及400磅其他各種原料。