Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.

例如，雕塑必须是稳定的，这就需要理解质量、重量分布和压力的特性。

youdao

I had gained weight in the form of muscle mass, but thinking only of lowering the number on the scale, I altered my training program.

肌肉量增大，我的体重就增加了，但因为只想着降低体重称上的数字，我改变了训练计划。

youdao

It is a mathematically sophisticated comparison of the actual brain weight of an animal compared to the expected brain mass for that animal's body size.

这是一个数学上的复杂的比照，它把动物实际的脑重量与按照动物身体尺寸所预期的脑重量比较。

youdao

Body mass index,or BMI, is a measure of a person's weight in relation to height.

VOA: special.2011.02.15

AIDS. The likelihood that a mutant protein can slip through unnoticed is small: the spectrometer can tell apart proteins that differ by less than a tenth of a proton mass in weight.

ECONOMIST: Viruses: Hunt the mutant | The

And yet (fact): Hands lack the anatomical mass required to support the weight of an adult human.

NEWYORKER: Backbone

Cage would clearly like his games to have the kind of mass appeal, and cultural weight that we give to film.

FORBES: Cantabile-do Attitude: Bient?t l'?t��, Tale of Tales' Art Piece, Forces Its Way Onto Steam