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
unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
例句
用作名词 (n.)
I can eat only 1500 calories a day on this diet. 按这个节食法,我每天只能吃一千五百卡路里。
Erin burns calories mainly through kinetic energy. 埃琳主要靠肌肉运动消耗卡路里。