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 agree with much of what you said.
我基本上同意你的意见。
The roofer is patching the roof with metal.
屋面防水工在用铁皮修补屋顶。
I want my kite. It's in that tree.
我在拿我的风筝，在树上呢！