以前是这么说的，现在推翻了，大力提倡，youtube上也能看到

来源: kwx 于 2013-03-26 18:02:26 [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.