Error of performance
[经] 工作错误
🧩 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
How long does your vacation last?
你的假期有多长？
Thank you for your attention.
谢谢大家专心聆听。
We're ready! she said. Where is everyone?
“我们都准备好了！”她说，“人都到哪儿去了？”