noun 下载 🔗分享 千卡,大卡 A non-SI unit of energy equal to 1,000 calories, used (now rare) in chemistry or physics; equal to 1 calorie or Calorie as used in nutrition. Symbol kcal. Examples : "The nutrition label stated that the cereal contained 200 kcal per serving. " 营养标签上显示,每份谷物含有200千卡(大卡)的热量。 energy food physics chemistry science unit amount technical 与AI对话词汇游戏阅读练习