明白。而且，不稳定，时高时低。

来源: ddhelp 于 2019-05-26 16:52:51 [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.

明白。 而且，不稳定，时高时低。