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San-Yuan  Chen's avatar

突然看到 sin.......和差化積又冒出來了

San-Yuan  Chen's avatar

哈哈哈哈,雖然不知道心電圖啥叫正常波形,但…………

腦中突然響起一段話:「鑽石恆久遠,一顆就破產…………(被拖走

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