naked frame

例句：

1. 1. The naked frame of the building was visible from the street.
   这座建筑的裸露框架从街道上就能看见。
2. 2.The artist used a naked frame to create a sense of depth and space in his painting.
   艺术家使用裸框架在他的画作中创造出深度和空间感。
3. 3. The naked frame of the sculpture allowed the viewer to appreciate its beauty without distractions.
   雕塑的裸框架让观赏者能够欣赏到它的美丽，而不受干扰。