tremor

名词 tremor:

1. an involuntary vibration (as if from illness or fear)
   同义词：shudder
2. a small earthquake
   同义词：earth tremor, microseism
3. shaking or trembling (usually resulting from weakness or stress or disease)

动词 tremor:

1. shake with seismic vibrations
   同义词：quake

1. During the earth tremor a large piece of rock chopped out of the ground.
   在一阵轻微的地震中，一大块岩石突然从地下露出地面。
2. We all felt the earthquake tremors.
   我们都感觉到地震时的颤动。