octane /'ɒktein/ 📖 中文释义 n. 辛烷[化] 辛烷; 正辛烷; 辛烷; 辛级烷 📘 English Definition(英文释义) n. any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent ← octandrous octane carboxylic acid →