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
Have a safe trip back.
祝您平安返家。
What's the area of the Congo in square miles?
在平方英里内刚果的范围是什么？
Some plays are so successful that they run for years on end,
有些剧目十分成功，以致连续上演好几年。