trillization

例句：

1. 1. The leaves of the tree were trembling in the wind.
   树叶在风中颤抖。
2. 2. She was so cold that she could feel her teeth chattering.
   她太冷了，以至于能感觉到她的牙齿在颤抖。
3. 3. The old man's hands were trembling as he held onto the railing.
   老人的手在抓着栏杆时颤抖着。