State of knowledge
[计] 知识状态
🧩 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've been in China to work on the new project.
我一直在中国搞一个新项目。
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
It was still early when I returned home.
我回到家时，时间还早。