BMI, or body mass index, is a ratio of weight to height.
身体质量指数，是体重和身高的比例。
The participants lost about 2.5% of their initial weight and 4% of their initial fat mass.
试验者损失了大约2.5 %的初始重量和4 %的初始脂肪块。
Calcium supplements and plenty of weight bearing exercise seem to help in maintaining bone mass.
及时补充钙质和足够的负重锻炼一般情况下有助于维持骨量。
Your balance of lean mass versus fat mass is much more important than weight.
肌肉量与脂肪量的平衡要比体重本身重要得多。
Your balance of lean mass versus fat mass is much more important than weight.
肌肉量与脂肪量的平衡要比体重本身重要得多。
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