我從去年感恩節開始寫這個係列筆記，四月底完稿。我學習理工科專業，詞不達意處請見諒。

來源: 燕語千言於 2018-06-02 13:55:35 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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