基本解释n.暗；黑暗阴暗.同根派生 英汉例句用作名词 (n.)He switched off the light, called for the first slide, and talked for three quarters of an hour in Stygian tenebrosity.他关掉电灯，叫人放第一张幻灯片，然后在冥府般的黑暗中讲了四十五分钟的话。