请问,dark和darkness都是“黑暗”的意思,有什么区别吗?

darkness是黑暗的名词,dark常做为形容词可以举一个例子吗？太感谢了！dark She bumped into me in the dark.她在黑暗中冲撞在我身上。She felt about in thedark.她在黑暗中摸索着走The robber jumped on meinthedark.强盗在黑暗中向我猛扑过来。darknessAsnightcame,the house faded intodarkness.当夜晚降临，这间房屋就陷入黑暗中。The stage was blacked outfor a while and actorsspokeindarkness.舞台灯光熄灭了一会儿，演员们在黑暗中说话了。Thechildkeeps by hismotherin thedarkness.那个孩子在黑暗中紧挨着他的母亲走。