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今日我才發現自己的書桌有點略微傾斜。639Please respect copyright.PENANAhtKbC8rB2b
如果我將六角柱的原子筆放好,639Please respect copyright.PENANABc2tDe4fwK
它雖然沒有自動滾下來,639Please respect copyright.PENANAmGVZsU1lQo
但垂直放下一個十元硬幣便會滾掉了!639Please respect copyright.PENANAQh6N6dxtAO
所以說:「錢都是很容易離開我的東西!」639Please respect copyright.PENANAzM67Eu7WN2