抖动

1. 颤动一种抖动或摇晃的运动，如大地的震动
   A shaking or vibrating movement, as of the earth.
2. 颤动单一的完整摆动；抖动
   A single complete vibrating motion; a quiver.
3. 那鸟击落後翅膀仍在抖动。
   The wings of the bird still fluttered after it had been shot down.
4. 战栗不由自主地颤动或抖动，如由于神经或虚弱等原因
   An involuntary trembling or quivering, as from nervous agitation or weakness.

动的英语翻译：