可是你自己說的啊
切,按你說法穿上三角褲就可以不用了
所有跟帖:
• 需要微積分證明是簡諧運動,才可以用三角褲研究 -青裁- ♂ (0 bytes) () 01/16/2025 postreply 11:52:00
• 需要微積分證明是簡諧運動,才可以用三角褲研究 -青裁- ♂ (0 bytes) () 01/16/2025 postreply 11:52:00
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