per kilogram of body weight

例句：

1. 1. The doctor advised me to exercise regularly to maintain my health.
   医生建议我定期锻炼以保持健康。
2. 2. The food label shows the amount of sugar per kilogram of body weight.
   食品标签显示每千克体重的糖含量。
3. 3. The study found that regular exercise can help people maintain a healthy weight per kilogram of body weight.
   研究发现，定期锻炼可以帮助人们保持健康的体重，每千克体重。