molecule

• The only constraint is the mutual attraction between the molecules .
  唯一的约束就是分子之间的相互吸引力。
• An idealized model of a string is a single long chain of molecules .
  绳子的理想模型是一长串单个分子的系列。
• The molecules bounce off each other like two colliding billiard balls .
  当分子相互弹开时就象两个碰撞的弹球。
• The brain needs some kinds of large molecules for nutrition, however .
  但是，脑需要某些种类的大分子做为营养。
• A molecule striking an advancing piston recoils with increased speed .
  撞在前进中的活塞上的分子，会加速反跳。
• Hydrocarbons are molecules containing only hydrogen and carbon atoms .
  碳氢化合物是只含碳原子和氢原子的分子。
• The internuclear distances in molecules can be measured in many ways .
  分子中的核间距，可以用很多方法测定它。
• No single molecule has the sole prerogative of growth regulation .
  没有一种单个的分子具有调节生长的唯一特权。
• A change in membrane potential affects the orientation of charged molecules .
  模电位变化影响着荷电分子的方向。
• The length of the chain molecule is proportional to the kinetic chain length .
  链分子的长度与动力学链长成正比。