Universe of discourse
n. 讨论或辩论的范围，论域
🧩 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
Good night, Alexandra.
晚安，Alexandra。
He majored in Computers.
他主修计算机。
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。