不用担心,后人自然有办法对付, 牛顿之前的人都没想过学习那么高深的知识,现在就是初中生就学了...哈哈

来源: Midwestrural 于 2024-02-20 10:50:50 [旧帖] [给我悄悄话] 本文已被阅读：次

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