不可数名词：

黑暗，冥冥，夜色，罪恶，无知

词形变化

形容词darkish

形容词比较级darker，darkest

副词darkly

名称darkness

英语解释

an unilluminated area

a swarthy complexion

having a dark or somber color

absence of light or illumination

absence of moral or spiritual values

an unenlightened state