subdirectories

例句：

1. 1.The server has a large number of subdirectories to manage.
   服务器有大量的子目录需要管理。
2. 2.The software developer created several subdirectories for the project.
   软件开发者为该项目创建了几个子目录。
3. 3. The director organized the subdirectories into different folders for easy access.
   导演将子目录组织成不同的文件夹以便于访问。