Principle of specification
[计] 说明原理, 规定原理
🧩 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
Haven't I seen you before?
我以前没见过你吗？
Excuse me I couldn't tell you beforehand.
对不起我不能事先告诉你。
Kate, could you answer the telephone, please? I'm busy.
凯特，你能接一下电话吗？我忙着呢。