绿松石背景上具有 3D 几何形状的抽象背景、绿色半球、粉色和白色圆柱体或带金环的圆圈、用于演示或广告推广的逼真矢量横幅/Abstract background with 3d geometric shapes on turquoise backdrop, green hemispheres, pink and white cylinders or circles with golden rings, Realistic vector banner for presentation or ad promotion