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20kj等于多少卡路里
更新时间: 2020-11-05 00:00:00  

20kj等于5000卡路里。卡路里是能量单位,其定义为在1个大气压下,将1克水提升1摄氏度所需要的热量。般来说,成人每天至少需要1500千卡的能量来维持身体机能,这是因为即使你躺着不动,你的身体仍需能量来保持体温,心肺功能和大脑运作。基础代谢消耗会因个体间身高、体重、年龄、性别的差异而有所不同。人类生存需要能量,并从食物中获取该能量。

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