oc·tane /ˈɑkˌten/
辛烷
oc·tane n. Chem. Any one of a group of metametric hydrocarbons (C8H18) of the methane (paraffin) series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of gasoline or ligroin.
◄ ►
octane
n : any isomeric saturated hydrocarbon found in petroleum and
used as a fuel and solvent