patent

/ˈpætənt/

(of a bodily tube or passageway) open; affording free passage

中文释义：开放的；明显的

The doctor confirmed that the patient's airway was patent after the surgery.

医生确认手术后病人的气道是通畅的。

It was a patent lie that he had never seen the document before.

他以前从未见过这份文件，这显然是个谎言。