decorative
adj. 装饰性的，用作装饰的
例句
The mirror is functional yet decorative.
这镜子能照人，但也有装饰作用。
《牛津词典》
The curtains are for purely decorative purposes and do not open or close.
那些窗帘纯粹用于装饰目的，不能开合。
《柯林斯英汉双解大词典》
She began in her 20s, making textless, decorative paintings of flowers with insects.
20多岁时，她开始创作花卉与昆虫的无文本装饰画。
