嘿嘿，鹿姐腿长啊，跑得快。：）三角形可能意味着最简单的稳定结构，比如三条腿的凳子，三国演义，等等。：）

来源: ling_yin_shi 于 2023-05-11 09:01:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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