calorie
noun [ C ] uk/ˈkæl.ər.i/ us/ˈkæl.ɚ.i/
(FOOD)
卡，卡路里（测量食物所含热量的单位）
a unit of energy, often used as a measurement of the amount of energy that food provides
There are about 50 calories in an apple. 一个苹果大约含有50卡路里的热量。
An athlete in training needs a lot of calories. 进行训练的运动员需要很多热量。
This drink can only help you to lose weight as a part of a calorie-controlled diet. 这种饮料只能作为控制热量饮食的一部分来帮你减肥。
He found calorie-counting the best way of losing weight. 他发现计算热量摄取量是最好的减肥方法。
(HEAT)
physics specialized卡，卡路里（热量单位）
a unit of heat energy