正向描述词:a wooden fence, the fence is composed of staggered wooden strips horizontally and horizontally, showing a grid shape. purple morning glory flowers are wrapped around the fence. the flowers bloom, the petals show varying shades of purple, and the center of the heart is yellow. the vines of the morning glory wind around the fence. the leaves are green and heart-shaped, and the veins are clearly visible. the right part of the fence is higher and the left part is slightly lower, making the overall look fresh and natural against the white background
负向描述词:-