黑色塑料垃圾袋静物

写实静物摄影，白色纯背景，单个鼓胀的黑色塑料垃圾袋居中，顶部袋口收拢成结，袋身呈上窄下宽的不规则团块，黑色塑料薄膜表面布满密集褶皱、折痕与反光，高光强烈，局部带少量红绿紫等细微彩色反光，底部两侧有外翻的塑料膜尖角，棚拍柔光与侧光塑造质感，正面略俯视全景构图，画面无其他物体，白底干净，画幅比例约4:5。

Realistic still-life photography, pure white background, a single bulging black plastic garbage bag centered, top gathered and tied into a knot, body forming an irregular tapered mound wider at the bottom, dense wrinkles, creases and specular highlights on the glossy black plastic film, subtle small iridescent red, green and purple reflections in places, outward-folded plastic film pointed flaps at the lower sides, studio softbox and side lighting to emphasize texture, front view with slight high angle, full-object composition, no other objects, clean white background, aspect ratio about 4:5.