a．食物的热价(thermal equivalent of food)或食物的卡价(caloric value of food)：1g食物 氧化分解(或在体外燃烧)时释放的热量，分为物理热价和生物热价。
双语例句
1
They found that when women sat with men they ate rabbit food or other meals "of significantly lower caloricvalue" than in all-women groups. The more men dining with a woman, the less she ate.