cy.clo.hex.ane
n.（名词）An extremely flammable, colorless, mobile liquid, C'H 2, obtained from petroleum and benzene and used in the manufacture of nylon and as a solvent, a paint, and a varnish remover. 环己烷：一种极易燃、可流动的无色液体，C'H 2，从石油和苯中提取，用于尼龙制造业，并作为一种溶剂、颜料和涂料去除剂.
