基本解释n.卡（热量单位）；卡路里=calorie.同根派生 英汉例句用作名词 (n.)How many calories can an ounce of sugar supply?一盎司糖可以供给多少卡热量？Her diet restricts her to 1500 calories a day.她的规定饮食限制她每天摄入1500卡的热量。An ounce of sugar has about 100 calories.一盎司的糖含约100大卡的热量。