实验使用二字不当，只能是跟踪观察所得。

来源: 扯乎扯乎于 2012-03-08 09:29:46 [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.