颤动

1. 空气似乎随着亮光而颤动。
   The air seemed to pulsate with the bright light.
2. 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.
3. 他这样做时，指头微微颤动了一下。
   His fingers trembled while doing so.
4. 发带颤音的r，舌抬向上齿颤动而成。
   The trilled `r' is produced by vibrating the tongue against the upper teeth.
5. 我们都感觉到地震时的颤动。
   We all felt the earthquake tremors.

动的英语翻译：