trimming of shoulder

例句：

1. 1. The surgeon performed a delicate trimming of the shoulder during the surgery.
   外科医生在手术中进行了细致的肩部修整。
2. 2. After years of neglect, the old tree needed a careful trimming of its branches.
   经过多年的忽视，这棵老树需要仔细修剪其枝条。
3. 3. The artist carefully trimmed the edges of his painting to enhance its overall appearance.
   艺术家仔细修剪了他的画作边缘，以提升其整体外观。