🧩 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 speak to the head of the household?
我可以请户主听电话吗？
We can't make a decision without thinking it over.
我们不能不考虑，就作决定。
You are never too old to learn.
活到老，学到老。