啊，老年生活竟然是這樣的嗎？都說多動腦、做科學等可以防止老年癡呆

來源: FionaRawson 於 2023-08-09 08:57:31 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

前天見了我的導師，快八十了還是尖銳得很

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