Warn of
大学 College警告…,有…危险
🧩 词语组成解析
warn
[wɔrn]
vt. 警告，告诫;通知;预告;
vi. 发出警告;
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 just want to confirm that the arrangements have been made.
我要确认所有计划都安排好了。
You are brighter than I am.
你比我聪明。
I hurried to the ticket office.
我匆匆赶到售票处，