实重说明了脂肪重量，请牢记。

Mass weight adds up to fat weight, remember that.

youdao

试验者损失了大约2.5 %的初始重量和4 %的初始脂肪块。

The participants lost about 2.5% of their initial weight and 4% of their initial fat mass.

youdao

年轻人的正常身体脂肪，健康男人少于身体总重量的18%，妇女少于23%。

Normal body fat for young, fit people is less than 18% of total body weight for men and 23% for women.

youdao

年轻人的正常身体脂肪，健康男人少于身体总重量的18%，妇女少于23%。

Normal body fat for young, fit people is less than 18% of total body weight for men and 23% for women.

youdao