3500卡路里相当于1磅(0.45千克)脂肪，同样的，如果要减轻1磅，那么必须消耗比摄入量多3500卡的能量。

Because 3, 500 calories equals about 1 pound (0.45 kilogram) of fat, you need to burn 3, 500 calories more than you take in to lose 1 pound.

youdao

该汉堡王直径足有30厘米，内有牛肉3千克，热量达13000卡，足够一个成年男性食用1个星期。

Standing at around 30 centimeters in diameter, the burger king contains three kilos of beef and more than 13, 000 calories - almost the amount an average man should consume in a week.

youdao

每克蛋白质是4卡路里，所以这位54.5千克、每天需要大约54克蛋白质的跑步者每天有200到220千卡的能量来自蛋白质。

One gram of protein equals 4 calories, so our 120-pound runner, who needs approximately 54 grams of protein, should allow 200 to 220 calories for protein each day.

youdao