either of two units of heat energy
卡,卡路里(两个热量单位之一):
(亦作
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cal ) the energy needed to raise the temperature of 1 gram of water through 1℃ (now usually defined as 4.1868 joules)小卡(现一般定为4.1868焦耳)。
(亦作
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Cal ) the energy needed to raise the temperature of 1 kilogram of water through 1℃, equal to one thousand small calories and often used to measure the energy value of foods大卡,千卡。
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calorie-free 不含卡路里
真题例句:
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burn calories 燃烧卡路里
真题例句:
"mid 19th cent.: from French, from Latin