特殊用法earth tremor1.【地物】地颤动epidemic tremor1.【动】雏鸡传染性颤搐病intention tremor1.【医】意向震颤mercurial tremor1.【医】汞中毒性震颤physiologic tremor1.【生理】生理性战栗snow tremor1.【水】积雪震落