tremorine

例句：

1. 1.The old man's hands were trembling with fear.
   老人的手因恐惧而颤抖。
2. 2.The child was trembling with excitement.
   孩子因兴奋而颤抖。
3. 3. She swayed back and forth, her voice trembling slightly.
   她来回摇晃，声音微微颤抖。