谢谢云起，我这两张是原创，教学生用的。

来源: 翔歌于 2023-10-23 00:39:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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