他娃兒是個自推牛蛙，不應該給他設限．但是對於俺家普娃兒，高中就最多翻一下Strang的那本書，覺得夠用了．

來源: Pilsung 於 2025-07-25 08:59:14 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.