gindexgigacycle./gig-uh-sahy-kuhl, jig-/US // ˈgɪg əˌsaɪ kəl, ˈdʒɪg- //辆大自行车,辆自行车,辆大卡车,辆大车Definitionsn.noun · 名词1.›one billion cycles. Abbreviation: GcLevel 5More words in g →