windows of active workbook

例句：

1. 1. The sun shines through the windows of the classroom.
   阳光透过教室的窗户。
2. 2. She opened the window to let fresh air in.
   她打开窗户让新鲜空气进来。
3. 3. The artist painted a picture with the windows as his canvas.
   这位艺术家用窗户作为他的画布，创作了一幅画。