Quantity of documents
[计] 文件数量
🧩 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. 文档（document的复数形式）
🗣️ 情景例句
Here's the bag.
箱子拿来了。
Many heads are better than one.
集思广益。
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。