謝謝四季提出問題也謝謝小敏科普，我也糊塗著呢。正好了解一下。

來源: 等等看看於 2017-09-27 16:31:49 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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