Home/gigatongigaton/gig-uh-tuhn, jig-/US // ˈgɪg əˌtʌn, ˈdʒɪg- //千兆吨级,千兆吨,千亿吨,十亿吨Definitionsn.名词 noun1: one billion tons. Abbreviation: GTLevel 3Browse all words →