这不是定义。也无法根据这个说法通过实验判断寒，温。

来源: 欲千北于 2016-12-02 17:03:54 [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.