calorie
n
(abbr 缩写 cal)
1 unit for measuring a quantity of heat 卡路里, 卡(热量单位).
2 unit for measuring the energy value of food 大卡, 千卡(食物含能量的热值单位)
An ounce of sugar has about 100 calories. 一盎司的糖含约100大卡的热量.
Her diet restricts her to 1500 calories a day. 她的规定饮食限制她每天摄入1500大卡的热量.