di.ni.tro.ben.zene
n.（名词）Any of three isomeric compounds, C'H 4(NO 2) 2, made from a mixture of nitric acid, sulfuric acid, and heated benzene and used in celluloid manufacture, in dyes, and in organic synthesis. 二硝基苯：三种异构体中的任何一种，C'H 4(NO 2) 2，由硝酸、硫酸与苯形成。用于赛璐珞、染料与有机合成
