提示词 { "shot": { "composition": "wide shot centered at eye level, capturing the full view of the factory floor and the assembling motorbike", "lens":... 视频变体：7 GoogleVeo 3.1 · 已验证价格参考图生视频 起价 $0.20 / 秒 200 API 积分 / 秒 8 s ≈ $1.60
