undecorated

例句：

1. 1. The sculpture is undecorated and has a natural feel to it.
   这个雕塑未经装饰，给人一种自然的感觉。
2. 2.The room was undecorated with only a few personal touches.
   房间未经装饰，只有一些个人的小摆设。
3. 3.The artist's choice of colors in the painting is undecorated, creating a sense of depth and complexity.
   画家在这幅画中选择的颜色未经装饰，营造出一种深度和复杂感。