tenebrosity
n. 暗；黑暗
sp. 阴暗.
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。