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
例句
用作名词 (n.)
The calorie is the unit usually used for measuring the amount of energy transfer in biochemistry. 生物化学中测定能量转移量的单位是大卡。
美
