glycaemic index
noun [ S ] UK (US glycemic index) uk/ɡlaɪˌsiː.mɪk ˈɪn.deks/ us/ɡlaɪˌsiː.mɪk ˈɪn.deks/ (abbreviation GI)
升胰岛素指数（指食物进入人体后血糖或胰岛素上升的指数）
a system for listing foods according to how quickly they increase the level of sugar in your blood