呦，对不起，俺孤陋寡闻，SketchBook还从来没听说过。是电子绘画工具吗？

来源: 地主家也没有余粮于 2013-05-29 10:27:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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