0 a soldier in the US army, especially in the Second World War -- (尤指第二次世界大戰中的)美國兵
1 abbreviation for glycaemic index: a system for listing foods according to how quickly they increase the level of sugar in your blood -- 升糖指數(羅列食物提升血糖速度的系統,glycaemic index的縮寫)
2 abbreviation for gastrointestinal -- 胃腸(裡)的;與腸胃相關的(gastrointestinal的縮寫)