嗯，沒能講得大家都明白，看來這個視頻的確有待提高

來源: 白色非色於 2020-02-07 13:15:08 [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.