gravitational [ˌɡrævɪˈteɪʃənl]

例句:

• Inertial velocity is thus distinct from synchronous gravitational mass.
  来自SA
• A neutron star has a gravitational field strong enough to generate X-rays.
  中子星上存在强大的重力场，足以产生X射线。
  
• Its oscillation depends on the strength of the gravitational field.
  它的振动幅度取决于引力场的强度。
  
• the gravitational pull of the moon
  月球的引力
  
• It is a free fall, a gravitational collapse.
  来自SA
• Think of their possible gravitational red-shift effect on radiation.
  来自SA