trunk movement

例句：

1. 1. The tree's trunk was swollen and discolored due to the recent heavy rain.
   由于近期的大雨，这棵树的树干变得肿胀并变色了。
2. 2.During the night, the trunk of the tree moved slightly under the weight of the snow.
   在夜间，这棵树的树干在雪的重量下轻微地移动了。
3. 3. The trunk movement of the tree indicated that it was struggling to survive in its current environment.
   这棵树的树干移动表明它正在努力适应当前的环境生存。