Form of books
[经] 帐簿的格式
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
n. 书评；书籍（book的复数）
🗣️ 情景例句
Oh, here are my certificate of merit.
哦，这里是我的获奖证书。
What makes life dreary is the want of motive.
没有目的，人生就黯淡无光。
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。