plain curve造句

You can buy pickets up to six feet long, with tops that are square, fleur de lis, plain curved or Gothic.
Like much of the furniture in the home, the plain curved sofas and chairs, upholstered in white matelasse, were copied from photographs.
The set, a plain curved wall with five trellised gateways pushed way back in the stage, as well as the costumes and lighting, bespoke a company with a small budget.
It's difficult to find plain curve in a sentence. 用plain curve造句挺难的