dark - 與darkness的區別

區別就是darkness是形容詞dark的名詞形式，詞根dark+後綴ness，中文意思是n. 黑暗深色，暗色邪惡，罪惡

例如

The darkness had disorientated him.黑暗使他迷失了方向。

A voice boomed out from the darkness.黑暗中傳來低沉有力的嗓音。

He was sitting alone in the darkness.