🧩 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
May I ask who I am talking to?
请问你是谁?
Observation is the best teacher.
观察为良师。
It's none of your business.
关你屁事!