🧩 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. 耶拿（德意志民主共和国一城市）
🗣️ 情景例句
When's the last time you took a vacation?
上次你去度假是什么时候？
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Goodbye. Thanks again for calling.
再见！再次感谢你的来访。