The rest of the weight was fat-free body mass, which includes other components such as water or muscle, and is generally not the target of those seeking to lose weight.

其余重量都是无脂身体质量，包括身体的其他组成成分，如水或肌肉，而通常这不是减肥的目标。

youdao

Different particle size and microstructure, and the free fat content in whole milk powder with relation to the viscosity of chocolate mass are introduced.

研究了不同乳粉的颗粒大小和结构、游离脂肪含量对巧克力浆料粘度的关系。

youdao

On average, men have 40% more fat-free mass than women, which is similar to the difference in gorillas, a species in which males unquestionably compete with other males for exclusive sexual access to females.

ECONOMIST: Masculine traits