详细解释:n. 大卡
【医】 千卡, 大卡
英语解释：
名词 kilocalorie:
a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food同义词：Calorie, kilogram calorie, large calorie, nutritionist's calorie