活學活用牛頓定律，微留侯，其孰如此之能？^_^

來源: 沁文----古來客於 2017-07-16 08:50:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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活學活用 牛頓 定律，微留侯，其孰如此之能？^_^