a social sphere that exists outside of the mainstreama report on the demiworld of drug addiction
a report on the demiworld of drug addiction
demimonde, half-world, netherworld, underbelly, underworld
abyss, depths
in 1862
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。