🧩 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
She took a medical course.
她选读医学课程。
Do no through fear of poverty surrender liberty.
不要因为怕贫苦而放弃自由。
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？