mass

• Her hair fell over her shoulders in a mass of curls .
  她的卷发披在肩上。
• The masses are in rebellion and one 's friends are deserting .
  众叛亲离。
• The mass of the strip itself is negligible .
  钢条本身的质量可以忽略不计。
• Sometimes the clouds heaped up in heavy masses .
  有时云堆成厚厚的一团团。
• All of the available energy has gone into mass .
  全部资用能都已形成质量。
• We can hardly do without the help of the masses ..
  我们离不开群众的帮助。
• After collision the two masses stick together .
  碰撞后，两个物体粘在一起。
• The mass m is assumed to be constant .
  我们假设质量m是不变的。
• Short lifetime means uncertain mass .
  短寿命意味着质量不确定。
• This movement has aroused the masses on a large scale .
  群众发动的面很广。