軸對稱

來源: 良邑於 2025-07-28 08:16:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

軸對稱

【攝於安大略省於人村特酷浜（Toogood Pond）公園】

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