focal solerosing glomerulonephritis

例句：

1. 1. The focal point of the meeting was the new policy.
   会议的核心议题是新政策。
2. 2. The focal point of the project is to improve the efficiency of production.
   该项目的核心目标是提高生产效率。
3. 3. His work is a focal point for innovation in his field.
   他的工作是其领域创新的中心。