A length of
高中 Senior High一段
🧩 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
I feel like an old man.
我感觉像一个老头。
Up to you.
你说了算。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。