是的，教单字不容易，而且容易遗忘。

来源: 微雨燕归来于 2011-12-09 11:09:30 [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.