🧩 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];
🗣️ 情景例句
Yes, we have. For how many?
有,要几张?
It's up to you.
一切由你决定。
Mary has written ten letters today.
马力今天写了十封信。